Home / 745,473.60-1,116,023.40-668,520.36

Finding the Fourth Proportional to 745,473.60, 1,116,023.40 and 668,520.36

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Solution

The fourth proportional to 745,473.60, 1,116,023.40 and 668,520.36 is: 1,000,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,473.60 : 1,116,023.40 = 668,520.36 : x
  2. Step 2: Convert to fraction form
    745,473.60/1,116,023.40 = 668,520.36/x
  3. Step 3: Cross multiply
    745,473.60x = 1,116,023.40 × 668,520.36
  4. Step 4: Simplify right side
    745,473.60x = 746,084,365,136.42
  5. Step 5: Solve for x
    x = 746,084,365,136.42/745,473.60
  6. Step 6: Final answer
    x = 1,000,819.30

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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.