Home / 1,236,982.40-1,855,646.40-527,004.80

Finding the Fourth Proportional to 1,236,982.40, 1,855,646.40 and 527,004.80

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Solution

The fourth proportional to 1,236,982.40, 1,855,646.40 and 527,004.80 is: 790,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,982.40 : 1,855,646.40 = 527,004.80 : x
  2. Step 2: Convert to fraction form
    1,236,982.40/1,855,646.40 = 527,004.80/x
  3. Step 3: Cross multiply
    1,236,982.40x = 1,855,646.40 × 527,004.80
  4. Step 4: Simplify right side
    1,236,982.40x = 977,934,559,902.72
  5. Step 5: Solve for x
    x = 977,934,559,902.72/1,236,982.40
  6. Step 6: Final answer
    x = 790,580.82

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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.