Home / 1,117,263.31-1,542,345.92-715,088.59

Finding the Fourth Proportional to 1,117,263.31, 1,542,345.92 and 715,088.59

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Solution

The fourth proportional to 1,117,263.31, 1,542,345.92 and 715,088.59 is: 987,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,263.31 : 1,542,345.92 = 715,088.59 : x
  2. Step 2: Convert to fraction form
    1,117,263.31/1,542,345.92 = 715,088.59/x
  3. Step 3: Cross multiply
    1,117,263.31x = 1,542,345.92 × 715,088.59
  4. Step 4: Simplify right side
    1,117,263.31x = 1,102,913,969,225.05
  5. Step 5: Solve for x
    x = 1,102,913,969,225.05/1,117,263.31
  6. Step 6: Final answer
    x = 987,156.71

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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.