Home / 1,449,488.16-1,999,971.60-876,516.32

Finding the Fourth Proportional to 1,449,488.16, 1,999,971.60 and 876,516.32

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Solution

The fourth proportional to 1,449,488.16, 1,999,971.60 and 876,516.32 is: 1,209,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,488.16 : 1,999,971.60 = 876,516.32 : x
  2. Step 2: Convert to fraction form
    1,449,488.16/1,999,971.60 = 876,516.32/x
  3. Step 3: Cross multiply
    1,449,488.16x = 1,999,971.60 × 876,516.32
  4. Step 4: Simplify right side
    1,449,488.16x = 1,753,007,746,936.51
  5. Step 5: Solve for x
    x = 1,753,007,746,936.51/1,449,488.16
  6. Step 6: Final answer
    x = 1,209,397.77

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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.