Home / 1,004,431.04-1,506,646.55-443,353.76

Finding the Fourth Proportional to 1,004,431.04, 1,506,646.55 and 443,353.76

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Solution

The fourth proportional to 1,004,431.04, 1,506,646.55 and 443,353.76 is: 665,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,431.04 : 1,506,646.55 = 443,353.76 : x
  2. Step 2: Convert to fraction form
    1,004,431.04/1,506,646.55 = 443,353.76/x
  3. Step 3: Cross multiply
    1,004,431.04x = 1,506,646.55 × 443,353.76
  4. Step 4: Simplify right side
    1,004,431.04x = 667,977,406,508.68
  5. Step 5: Solve for x
    x = 667,977,406,508.68/1,004,431.04
  6. Step 6: Final answer
    x = 665,030.63

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Double scale
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Similar ratio
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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.