Home / 1,587,280.86-2,379,290.49-627,346.35

Finding the Fourth Proportional to 1,587,280.86, 2,379,290.49 and 627,346.35

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Solution

The fourth proportional to 1,587,280.86, 2,379,290.49 and 627,346.35 is: 940,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,280.86 : 2,379,290.49 = 627,346.35 : x
  2. Step 2: Convert to fraction form
    1,587,280.86/2,379,290.49 = 627,346.35/x
  3. Step 3: Cross multiply
    1,587,280.86x = 2,379,290.49 × 627,346.35
  4. Step 4: Simplify right side
    1,587,280.86x = 1,492,639,204,491.21
  5. Step 5: Solve for x
    x = 1,492,639,204,491.21/1,587,280.86
  6. Step 6: Final answer
    x = 940,374.98

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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.