Home / 1,223,641.52-1,688,781.01-740,210.13

Finding the Fourth Proportional to 1,223,641.52, 1,688,781.01 and 740,210.13

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Solution

The fourth proportional to 1,223,641.52, 1,688,781.01 and 740,210.13 is: 1,021,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,641.52 : 1,688,781.01 = 740,210.13 : x
  2. Step 2: Convert to fraction form
    1,223,641.52/1,688,781.01 = 740,210.13/x
  3. Step 3: Cross multiply
    1,223,641.52x = 1,688,781.01 × 740,210.13
  4. Step 4: Simplify right side
    1,223,641.52x = 1,250,052,809,103.11
  5. Step 5: Solve for x
    x = 1,250,052,809,103.11/1,223,641.52
  6. Step 6: Final answer
    x = 1,021,584.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.