Home / 1,441,945.66-2,164,218.54-768,587.80

Finding the Fourth Proportional to 1,441,945.66, 2,164,218.54 and 768,587.80

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Solution

The fourth proportional to 1,441,945.66, 2,164,218.54 and 768,587.80 is: 1,153,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,945.66 : 2,164,218.54 = 768,587.80 : x
  2. Step 2: Convert to fraction form
    1,441,945.66/2,164,218.54 = 768,587.80/x
  3. Step 3: Cross multiply
    1,441,945.66x = 2,164,218.54 × 768,587.80
  4. Step 4: Simplify right side
    1,441,945.66x = 1,663,391,966,377.81
  5. Step 5: Solve for x
    x = 1,663,391,966,377.81/1,441,945.66
  6. Step 6: Final answer
    x = 1,153,574.65

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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.