Home / 1,215,572.70-1,825,000.65-710,651.10

Finding the Fourth Proportional to 1,215,572.70, 1,825,000.65 and 710,651.10

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Solution

The fourth proportional to 1,215,572.70, 1,825,000.65 and 710,651.10 is: 1,066,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,572.70 : 1,825,000.65 = 710,651.10 : x
  2. Step 2: Convert to fraction form
    1,215,572.70/1,825,000.65 = 710,651.10/x
  3. Step 3: Cross multiply
    1,215,572.70x = 1,825,000.65 × 710,651.10
  4. Step 4: Simplify right side
    1,215,572.70x = 1,296,938,719,423.21
  5. Step 5: Solve for x
    x = 1,296,938,719,423.21/1,215,572.70
  6. Step 6: Final answer
    x = 1,066,936.37

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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.