Home / 1,152,495.24-1,590,531.39-636,348.66

Finding the Fourth Proportional to 1,152,495.24, 1,590,531.39 and 636,348.66

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Solution

The fourth proportional to 1,152,495.24, 1,590,531.39 and 636,348.66 is: 878,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,495.24 : 1,590,531.39 = 636,348.66 : x
  2. Step 2: Convert to fraction form
    1,152,495.24/1,590,531.39 = 636,348.66/x
  3. Step 3: Cross multiply
    1,152,495.24x = 1,590,531.39 × 636,348.66
  4. Step 4: Simplify right side
    1,152,495.24x = 1,012,132,518,714.44
  5. Step 5: Solve for x
    x = 1,012,132,518,714.44/1,152,495.24
  6. Step 6: Final answer
    x = 878,209.72

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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.