Home / 1,688,459.24-2,532,691.20-490,385

Finding the Fourth Proportional to 1,688,459.24, 2,532,691.20 and 490,385

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Solution

The fourth proportional to 1,688,459.24, 2,532,691.20 and 490,385 is: 735,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,459.24 : 2,532,691.20 = 490,385 : x
  2. Step 2: Convert to fraction form
    1,688,459.24/2,532,691.20 = 490,385/x
  3. Step 3: Cross multiply
    1,688,459.24x = 2,532,691.20 × 490,385
  4. Step 4: Simplify right side
    1,688,459.24x = 1,241,993,774,112
  5. Step 5: Solve for x
    x = 1,241,993,774,112/1,688,459.24
  6. Step 6: Final answer
    x = 735,578.18

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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.