Home / 1,087,945.17-1,501,371.54-680,285.64

Finding the Fourth Proportional to 1,087,945.17, 1,501,371.54 and 680,285.64

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Solution

The fourth proportional to 1,087,945.17, 1,501,371.54 and 680,285.64 is: 938,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,945.17 : 1,501,371.54 = 680,285.64 : x
  2. Step 2: Convert to fraction form
    1,087,945.17/1,501,371.54 = 680,285.64/x
  3. Step 3: Cross multiply
    1,087,945.17x = 1,501,371.54 × 680,285.64
  4. Step 4: Simplify right side
    1,087,945.17x = 1,021,361,495,565.26
  5. Step 5: Solve for x
    x = 1,021,361,495,565.26/1,087,945.17
  6. Step 6: Final answer
    x = 938,798.69

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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.