Home / 1,145,627.70-1,717,793.55-435,678.90

Finding the Fourth Proportional to 1,145,627.70, 1,717,793.55 and 435,678.90

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Solution

The fourth proportional to 1,145,627.70, 1,717,793.55 and 435,678.90 is: 653,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,627.70 : 1,717,793.55 = 435,678.90 : x
  2. Step 2: Convert to fraction form
    1,145,627.70/1,717,793.55 = 435,678.90/x
  3. Step 3: Cross multiply
    1,145,627.70x = 1,717,793.55 × 435,678.90
  4. Step 4: Simplify right side
    1,145,627.70x = 748,406,404,291.10
  5. Step 5: Solve for x
    x = 748,406,404,291.10/1,145,627.70
  6. Step 6: Final answer
    x = 653,271.92

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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.