Home / 940,411.69-1,298,165.44-634,901.91

Finding the Fourth Proportional to 940,411.69, 1,298,165.44 and 634,901.91

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Solution

The fourth proportional to 940,411.69, 1,298,165.44 and 634,901.91 is: 876,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,411.69 : 1,298,165.44 = 634,901.91 : x
  2. Step 2: Convert to fraction form
    940,411.69/1,298,165.44 = 634,901.91/x
  3. Step 3: Cross multiply
    940,411.69x = 1,298,165.44 × 634,901.91
  4. Step 4: Simplify right side
    940,411.69x = 824,207,724,825.99
  5. Step 5: Solve for x
    x = 824,207,724,825.99/940,411.69
  6. Step 6: Final answer
    x = 876,432.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.