Home / 1,609,687.20-2,411,031.60-977,498.40

Finding the Fourth Proportional to 1,609,687.20, 2,411,031.60 and 977,498.40

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Solution

The fourth proportional to 1,609,687.20, 2,411,031.60 and 977,498.40 is: 1,464,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,687.20 : 2,411,031.60 = 977,498.40 : x
  2. Step 2: Convert to fraction form
    1,609,687.20/2,411,031.60 = 977,498.40/x
  3. Step 3: Cross multiply
    1,609,687.20x = 2,411,031.60 × 977,498.40
  4. Step 4: Simplify right side
    1,609,687.20x = 2,356,779,531,349.44
  5. Step 5: Solve for x
    x = 2,356,779,531,349.44/1,609,687.20
  6. Step 6: Final answer
    x = 1,464,122.68

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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.