Home / 1,053,811.13-1,580,716.69-388,963.13

Finding the Fourth Proportional to 1,053,811.13, 1,580,716.69 and 388,963.13

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Solution

The fourth proportional to 1,053,811.13, 1,580,716.69 and 388,963.13 is: 583,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,811.13 : 1,580,716.69 = 388,963.13 : x
  2. Step 2: Convert to fraction form
    1,053,811.13/1,580,716.69 = 388,963.13/x
  3. Step 3: Cross multiply
    1,053,811.13x = 1,580,716.69 × 388,963.13
  4. Step 4: Simplify right side
    1,053,811.13x = 614,840,502,509.65
  5. Step 5: Solve for x
    x = 614,840,502,509.65/1,053,811.13
  6. Step 6: Final answer
    x = 583,444.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.