Home / 745,395.48-1,115,993.58-669,812.76

Finding the Fourth Proportional to 745,395.48, 1,115,993.58 and 669,812.76

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Solution

The fourth proportional to 745,395.48, 1,115,993.58 and 669,812.76 is: 1,002,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,395.48 : 1,115,993.58 = 669,812.76 : x
  2. Step 2: Convert to fraction form
    745,395.48/1,115,993.58 = 669,812.76/x
  3. Step 3: Cross multiply
    745,395.48x = 1,115,993.58 × 669,812.76
  4. Step 4: Simplify right side
    745,395.48x = 747,506,739,962.08
  5. Step 5: Solve for x
    x = 747,506,739,962.08/745,395.48
  6. Step 6: Final answer
    x = 1,002,832.40

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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.