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Finding the Fourth Proportional to 999,167.44, 1,499,807.40 and 976,604.08

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Solution

The fourth proportional to 999,167.44, 1,499,807.40 and 976,604.08 is: 1,465,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,167.44 : 1,499,807.40 = 976,604.08 : x
  2. Step 2: Convert to fraction form
    999,167.44/1,499,807.40 = 976,604.08/x
  3. Step 3: Cross multiply
    999,167.44x = 1,499,807.40 × 976,604.08
  4. Step 4: Simplify right side
    999,167.44x = 1,464,718,026,054.19
  5. Step 5: Solve for x
    x = 1,464,718,026,054.19/999,167.44
  6. Step 6: Final answer
    x = 1,465,938.51

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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.