Home / 1,127,547.27-1,691,569.71-328,891.32

Finding the Fourth Proportional to 1,127,547.27, 1,691,569.71 and 328,891.32

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Solution

The fourth proportional to 1,127,547.27, 1,691,569.71 and 328,891.32 is: 493,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,547.27 : 1,691,569.71 = 328,891.32 : x
  2. Step 2: Convert to fraction form
    1,127,547.27/1,691,569.71 = 328,891.32/x
  3. Step 3: Cross multiply
    1,127,547.27x = 1,691,569.71 × 328,891.32
  4. Step 4: Simplify right side
    1,127,547.27x = 556,342,594,793.92
  5. Step 5: Solve for x
    x = 556,342,594,793.92/1,127,547.27
  6. Step 6: Final answer
    x = 493,409.55

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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.