Home / 1,074,531.60-1,609,954.20-512,355.60

Finding the Fourth Proportional to 1,074,531.60, 1,609,954.20 and 512,355.60

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Solution

The fourth proportional to 1,074,531.60, 1,609,954.20 and 512,355.60 is: 767,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,531.60 : 1,609,954.20 = 512,355.60 : x
  2. Step 2: Convert to fraction form
    1,074,531.60/1,609,954.20 = 512,355.60/x
  3. Step 3: Cross multiply
    1,074,531.60x = 1,609,954.20 × 512,355.60
  4. Step 4: Simplify right side
    1,074,531.60x = 824,869,050,113.52
  5. Step 5: Solve for x
    x = 824,869,050,113.52/1,074,531.60
  6. Step 6: Final answer
    x = 767,654.53

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1.5x scale

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.