Home / 1,681,002.32-2,319,737.28-917,055.68

Finding the Fourth Proportional to 1,681,002.32, 2,319,737.28 and 917,055.68

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Solution

The fourth proportional to 1,681,002.32, 2,319,737.28 and 917,055.68 is: 1,265,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,002.32 : 2,319,737.28 = 917,055.68 : x
  2. Step 2: Convert to fraction form
    1,681,002.32/2,319,737.28 = 917,055.68/x
  3. Step 3: Cross multiply
    1,681,002.32x = 2,319,737.28 × 917,055.68
  4. Step 4: Simplify right side
    1,681,002.32x = 2,127,328,248,731.75
  5. Step 5: Solve for x
    x = 2,127,328,248,731.75/1,681,002.32
  6. Step 6: Final answer
    x = 1,265,511.79

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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.