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Finding the Fourth Proportional to 1,347,362.10, 1,859,965.93 and 888,748.20

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Solution

The fourth proportional to 1,347,362.10, 1,859,965.93 and 888,748.20 is: 1,226,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,362.10 : 1,859,965.93 = 888,748.20 : x
  2. Step 2: Convert to fraction form
    1,347,362.10/1,859,965.93 = 888,748.20/x
  3. Step 3: Cross multiply
    1,347,362.10x = 1,859,965.93 × 888,748.20
  4. Step 4: Simplify right side
    1,347,362.10x = 1,653,041,372,348.83
  5. Step 5: Solve for x
    x = 1,653,041,372,348.83/1,347,362.10
  6. Step 6: Final answer
    x = 1,226,872.40

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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.