Home / 1,218,560.83-1,681,084.53-734,857.18

Finding the Fourth Proportional to 1,218,560.83, 1,681,084.53 and 734,857.18

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Solution

The fourth proportional to 1,218,560.83, 1,681,084.53 and 734,857.18 is: 1,013,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,560.83 : 1,681,084.53 = 734,857.18 : x
  2. Step 2: Convert to fraction form
    1,218,560.83/1,681,084.53 = 734,857.18/x
  3. Step 3: Cross multiply
    1,218,560.83x = 1,681,084.53 × 734,857.18
  4. Step 4: Simplify right side
    1,218,560.83x = 1,235,357,032,854.71
  5. Step 5: Solve for x
    x = 1,235,357,032,854.71/1,218,560.83
  6. Step 6: Final answer
    x = 1,013,783.64

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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.