Home / 1,587,980.16-2,380,304.88-777,246.71

Finding the Fourth Proportional to 1,587,980.16, 2,380,304.88 and 777,246.71

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Solution

The fourth proportional to 1,587,980.16, 2,380,304.88 and 777,246.71 is: 1,165,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,980.16 : 2,380,304.88 = 777,246.71 : x
  2. Step 2: Convert to fraction form
    1,587,980.16/2,380,304.88 = 777,246.71/x
  3. Step 3: Cross multiply
    1,587,980.16x = 2,380,304.88 × 777,246.71
  4. Step 4: Simplify right side
    1,587,980.16x = 1,850,084,124,875.42
  5. Step 5: Solve for x
    x = 1,850,084,124,875.42/1,587,980.16
  6. Step 6: Final answer
    x = 1,165,054.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.