Home / 745,004.70-1,118,228.76-704,545.20

Finding the Fourth Proportional to 745,004.70, 1,118,228.76 and 704,545.20

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Solution

The fourth proportional to 745,004.70, 1,118,228.76 and 704,545.20 is: 1,057,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,004.70 : 1,118,228.76 = 704,545.20 : x
  2. Step 2: Convert to fraction form
    745,004.70/1,118,228.76 = 704,545.20/x
  3. Step 3: Cross multiply
    745,004.70x = 1,118,228.76 × 704,545.20
  4. Step 4: Simplify right side
    745,004.70x = 787,842,705,359.95
  5. Step 5: Solve for x
    x = 787,842,705,359.95/745,004.70
  6. Step 6: Final answer
    x = 1,057,500.32

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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.