Home / 1,077,923.80-1,617,080.10-446,901.40

Finding the Fourth Proportional to 1,077,923.80, 1,617,080.10 and 446,901.40

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Solution

The fourth proportional to 1,077,923.80, 1,617,080.10 and 446,901.40 is: 670,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,923.80 : 1,617,080.10 = 446,901.40 : x
  2. Step 2: Convert to fraction form
    1,077,923.80/1,617,080.10 = 446,901.40/x
  3. Step 3: Cross multiply
    1,077,923.80x = 1,617,080.10 × 446,901.40
  4. Step 4: Simplify right side
    1,077,923.80x = 722,675,360,602.14
  5. Step 5: Solve for x
    x = 722,675,360,602.14/1,077,923.80
  6. Step 6: Final answer
    x = 670,432.70

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Double scale
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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.