Home / 1,781,159.10-2,671,479.45-518,855.10

Finding the Fourth Proportional to 1,781,159.10, 2,671,479.45 and 518,855.10

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Solution

The fourth proportional to 1,781,159.10, 2,671,479.45 and 518,855.10 is: 778,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,159.10 : 2,671,479.45 = 518,855.10 : x
  2. Step 2: Convert to fraction form
    1,781,159.10/2,671,479.45 = 518,855.10/x
  3. Step 3: Cross multiply
    1,781,159.10x = 2,671,479.45 × 518,855.10
  4. Step 4: Simplify right side
    1,781,159.10x = 1,386,110,737,177.70
  5. Step 5: Solve for x
    x = 1,386,110,737,177.70/1,781,159.10
  6. Step 6: Final answer
    x = 778,207.14

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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.