Home / 1,315,549.92-1,815,458.16-742,595.04

Finding the Fourth Proportional to 1,315,549.92, 1,815,458.16 and 742,595.04

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Solution

The fourth proportional to 1,315,549.92, 1,815,458.16 and 742,595.04 is: 1,024,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,549.92 : 1,815,458.16 = 742,595.04 : x
  2. Step 2: Convert to fraction form
    1,315,549.92/1,815,458.16 = 742,595.04/x
  3. Step 3: Cross multiply
    1,315,549.92x = 1,815,458.16 × 742,595.04
  4. Step 4: Simplify right side
    1,315,549.92x = 1,348,150,224,943.53
  5. Step 5: Solve for x
    x = 1,348,150,224,943.53/1,315,549.92
  6. Step 6: Final answer
    x = 1,024,780.74

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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.