Home / 1,218,686.46-1,681,784.32-702,436.15

Finding the Fourth Proportional to 1,218,686.46, 1,681,784.32 and 702,436.15

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Solution

The fourth proportional to 1,218,686.46, 1,681,784.32 and 702,436.15 is: 969,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,686.46 : 1,681,784.32 = 702,436.15 : x
  2. Step 2: Convert to fraction form
    1,218,686.46/1,681,784.32 = 702,436.15/x
  3. Step 3: Cross multiply
    1,218,686.46x = 1,681,784.32 × 702,436.15
  4. Step 4: Simplify right side
    1,218,686.46x = 1,181,346,104,534.38
  5. Step 5: Solve for x
    x = 1,181,346,104,534.38/1,218,686.46
  6. Step 6: Final answer
    x = 969,360.16

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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.