Home / 1,031,620.60-1,547,649.60-311,903.20

Finding the Fourth Proportional to 1,031,620.60, 1,547,649.60 and 311,903.20

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Solution

The fourth proportional to 1,031,620.60, 1,547,649.60 and 311,903.20 is: 467,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,620.60 : 1,547,649.60 = 311,903.20 : x
  2. Step 2: Convert to fraction form
    1,031,620.60/1,547,649.60 = 311,903.20/x
  3. Step 3: Cross multiply
    1,031,620.60x = 1,547,649.60 × 311,903.20
  4. Step 4: Simplify right side
    1,031,620.60x = 482,716,862,718.72
  5. Step 5: Solve for x
    x = 482,716,862,718.72/1,031,620.60
  6. Step 6: Final answer
    x = 467,920.92

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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.