Home / 1,459,758.60-2,189,637.90-513,006.30

Finding the Fourth Proportional to 1,459,758.60, 2,189,637.90 and 513,006.30

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Solution

The fourth proportional to 1,459,758.60, 2,189,637.90 and 513,006.30 is: 769,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,758.60 : 2,189,637.90 = 513,006.30 : x
  2. Step 2: Convert to fraction form
    1,459,758.60/2,189,637.90 = 513,006.30/x
  3. Step 3: Cross multiply
    1,459,758.60x = 2,189,637.90 × 513,006.30
  4. Step 4: Simplify right side
    1,459,758.60x = 1,123,298,037,418.77
  5. Step 5: Solve for x
    x = 1,123,298,037,418.77/1,459,758.60
  6. Step 6: Final answer
    x = 769,509.45

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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.