Home / 1,031,368.95-1,547,049.78-321,397.47

Finding the Fourth Proportional to 1,031,368.95, 1,547,049.78 and 321,397.47

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Solution

The fourth proportional to 1,031,368.95, 1,547,049.78 and 321,397.47 is: 482,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,368.95 : 1,547,049.78 = 321,397.47 : x
  2. Step 2: Convert to fraction form
    1,031,368.95/1,547,049.78 = 321,397.47/x
  3. Step 3: Cross multiply
    1,031,368.95x = 1,547,049.78 × 321,397.47
  4. Step 4: Simplify right side
    1,031,368.95x = 497,217,885,256.06
  5. Step 5: Solve for x
    x = 497,217,885,256.06/1,031,368.95
  6. Step 6: Final answer
    x = 482,095.07

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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.