Home / 1,031,719.40-1,547,579.10-712,854.80

Finding the Fourth Proportional to 1,031,719.40, 1,547,579.10 and 712,854.80

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Solution

The fourth proportional to 1,031,719.40, 1,547,579.10 and 712,854.80 is: 1,069,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,719.40 : 1,547,579.10 = 712,854.80 : x
  2. Step 2: Convert to fraction form
    1,031,719.40/1,547,579.10 = 712,854.80/x
  3. Step 3: Cross multiply
    1,031,719.40x = 1,547,579.10 × 712,854.80
  4. Step 4: Simplify right side
    1,031,719.40x = 1,103,199,189,814.68
  5. Step 5: Solve for x
    x = 1,103,199,189,814.68/1,031,719.40
  6. Step 6: Final answer
    x = 1,069,282.20

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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.