Home / 1,031,815.40-1,547,723.10-283,860.20

Finding the Fourth Proportional to 1,031,815.40, 1,547,723.10 and 283,860.20

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Solution

The fourth proportional to 1,031,815.40, 1,547,723.10 and 283,860.20 is: 425,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,815.40 : 1,547,723.10 = 283,860.20 : x
  2. Step 2: Convert to fraction form
    1,031,815.40/1,547,723.10 = 283,860.20/x
  3. Step 3: Cross multiply
    1,031,815.40x = 1,547,723.10 × 283,860.20
  4. Step 4: Simplify right side
    1,031,815.40x = 439,336,988,710.62
  5. Step 5: Solve for x
    x = 439,336,988,710.62/1,031,815.40
  6. Step 6: Final answer
    x = 425,790.30

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Double scale
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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.