Home / 1,478,101.60-2,217,152.40-531,503.20

Finding the Fourth Proportional to 1,478,101.60, 2,217,152.40 and 531,503.20

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Solution

The fourth proportional to 1,478,101.60, 2,217,152.40 and 531,503.20 is: 797,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,101.60 : 2,217,152.40 = 531,503.20 : x
  2. Step 2: Convert to fraction form
    1,478,101.60/2,217,152.40 = 531,503.20/x
  3. Step 3: Cross multiply
    1,478,101.60x = 2,217,152.40 × 531,503.20
  4. Step 4: Simplify right side
    1,478,101.60x = 1,178,423,595,487.68
  5. Step 5: Solve for x
    x = 1,178,423,595,487.68/1,478,101.60
  6. Step 6: Final answer
    x = 797,254.80

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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.