Home / 1,127,547.73-1,691,570.36-328,891.78

Finding the Fourth Proportional to 1,127,547.73, 1,691,570.36 and 328,891.78

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Solution

The fourth proportional to 1,127,547.73, 1,691,570.36 and 328,891.78 is: 493,410.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,547.73 : 1,691,570.36 = 328,891.78 : x
  2. Step 2: Convert to fraction form
    1,127,547.73/1,691,570.36 = 328,891.78/x
  3. Step 3: Cross multiply
    1,127,547.73x = 1,691,570.36 × 328,891.78
  4. Step 4: Simplify right side
    1,127,547.73x = 556,343,586,695.64
  5. Step 5: Solve for x
    x = 556,343,586,695.64/1,127,547.73
  6. Step 6: Final answer
    x = 493,410.23

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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.