Home / 1,252,159.32-1,872,878.70-1,161,398.76

Finding the Fourth Proportional to 1,252,159.32, 1,872,878.70 and 1,161,398.76

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Solution

The fourth proportional to 1,252,159.32, 1,872,878.70 and 1,161,398.76 is: 1,737,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,159.32 : 1,872,878.70 = 1,161,398.76 : x
  2. Step 2: Convert to fraction form
    1,252,159.32/1,872,878.70 = 1,161,398.76/x
  3. Step 3: Cross multiply
    1,252,159.32x = 1,872,878.70 × 1,161,398.76
  4. Step 4: Simplify right side
    1,252,159.32x = 2,175,158,999,810.41
  5. Step 5: Solve for x
    x = 2,175,158,999,810.41/1,252,159.32
  6. Step 6: Final answer
    x = 1,737,126.39

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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.