Home / 1,653,391.47-2,281,812.02-928,286.76

Finding the Fourth Proportional to 1,653,391.47, 2,281,812.02 and 928,286.76

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Solution

The fourth proportional to 1,653,391.47, 2,281,812.02 and 928,286.76 is: 1,281,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,391.47 : 2,281,812.02 = 928,286.76 : x
  2. Step 2: Convert to fraction form
    1,653,391.47/2,281,812.02 = 928,286.76/x
  3. Step 3: Cross multiply
    1,653,391.47x = 2,281,812.02 × 928,286.76
  4. Step 4: Simplify right side
    1,653,391.47x = 2,118,175,886,974.86
  5. Step 5: Solve for x
    x = 2,118,175,886,974.86/1,653,391.47
  6. Step 6: Final answer
    x = 1,281,109.72

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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.