Home / 1,031,369.95-1,547,051.28-321,398.47

Finding the Fourth Proportional to 1,031,369.95, 1,547,051.28 and 321,398.47

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Solution

The fourth proportional to 1,031,369.95, 1,547,051.28 and 321,398.47 is: 482,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,369.95 : 1,547,051.28 = 321,398.47 : x
  2. Step 2: Convert to fraction form
    1,031,369.95/1,547,051.28 = 321,398.47/x
  3. Step 3: Cross multiply
    1,031,369.95x = 1,547,051.28 × 321,398.47
  4. Step 4: Simplify right side
    1,031,369.95x = 497,219,914,403.54
  5. Step 5: Solve for x
    x = 497,219,914,403.54/1,031,369.95
  6. Step 6: Final answer
    x = 482,096.57

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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.