Home / 1,315,691.04-1,815,700.72-742,833.12

Finding the Fourth Proportional to 1,315,691.04, 1,815,700.72 and 742,833.12

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Solution

The fourth proportional to 1,315,691.04, 1,815,700.72 and 742,833.12 is: 1,025,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,691.04 : 1,815,700.72 = 742,833.12 : x
  2. Step 2: Convert to fraction form
    1,315,691.04/1,815,700.72 = 742,833.12/x
  3. Step 3: Cross multiply
    1,315,691.04x = 1,815,700.72 × 742,833.12
  4. Step 4: Simplify right side
    1,315,691.04x = 1,348,762,630,823.85
  5. Step 5: Solve for x
    x = 1,348,762,630,823.85/1,315,691.04
  6. Step 6: Final answer
    x = 1,025,136.29

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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.