Home / 1,031,700.20-1,547,550.30-653,786.60

Finding the Fourth Proportional to 1,031,700.20, 1,547,550.30 and 653,786.60

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Solution

The fourth proportional to 1,031,700.20, 1,547,550.30 and 653,786.60 is: 980,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,700.20 : 1,547,550.30 = 653,786.60 : x
  2. Step 2: Convert to fraction form
    1,031,700.20/1,547,550.30 = 653,786.60/x
  3. Step 3: Cross multiply
    1,031,700.20x = 1,547,550.30 × 653,786.60
  4. Step 4: Simplify right side
    1,031,700.20x = 1,011,767,648,965.98
  5. Step 5: Solve for x
    x = 1,011,767,648,965.98/1,031,700.20
  6. Step 6: Final answer
    x = 980,679.90

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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.