Home / 1,307,652.20-1,961,478.30-466,231.40

Finding the Fourth Proportional to 1,307,652.20, 1,961,478.30 and 466,231.40

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Solution

The fourth proportional to 1,307,652.20, 1,961,478.30 and 466,231.40 is: 699,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,652.20 : 1,961,478.30 = 466,231.40 : x
  2. Step 2: Convert to fraction form
    1,307,652.20/1,961,478.30 = 466,231.40/x
  3. Step 3: Cross multiply
    1,307,652.20x = 1,961,478.30 × 466,231.40
  4. Step 4: Simplify right side
    1,307,652.20x = 914,502,773,878.62
  5. Step 5: Solve for x
    x = 914,502,773,878.62/1,307,652.20
  6. Step 6: Final answer
    x = 699,347.10

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Double scale
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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.