Home / 1,680,965.36-2,319,737.64-917,034.92

Finding the Fourth Proportional to 1,680,965.36, 2,319,737.64 and 917,034.92

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Solution

The fourth proportional to 1,680,965.36, 2,319,737.64 and 917,034.92 is: 1,265,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,965.36 : 2,319,737.64 = 917,034.92 : x
  2. Step 2: Convert to fraction form
    1,680,965.36/2,319,737.64 = 917,034.92/x
  3. Step 3: Cross multiply
    1,680,965.36x = 2,319,737.64 × 917,034.92
  4. Step 4: Simplify right side
    1,680,965.36x = 2,127,280,421,118.39
  5. Step 5: Solve for x
    x = 2,127,280,421,118.39/1,680,965.36
  6. Step 6: Final answer
    x = 1,265,511.16

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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.