Home / 1,154,948.92-1,593,839.60-638,675.96

Finding the Fourth Proportional to 1,154,948.92, 1,593,839.60 and 638,675.96

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Solution

The fourth proportional to 1,154,948.92, 1,593,839.60 and 638,675.96 is: 881,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,948.92 : 1,593,839.60 = 638,675.96 : x
  2. Step 2: Convert to fraction form
    1,154,948.92/1,593,839.60 = 638,675.96/x
  3. Step 3: Cross multiply
    1,154,948.92x = 1,593,839.60 × 638,675.96
  4. Step 4: Simplify right side
    1,154,948.92x = 1,017,947,036,616.02
  5. Step 5: Solve for x
    x = 1,017,947,036,616.02/1,154,948.92
  6. Step 6: Final answer
    x = 881,378.40

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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.