Home / 1,547,825.79-2,136,008.97-859,508.85

Finding the Fourth Proportional to 1,547,825.79, 2,136,008.97 and 859,508.85

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Solution

The fourth proportional to 1,547,825.79, 2,136,008.97 and 859,508.85 is: 1,186,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,825.79 : 2,136,008.97 = 859,508.85 : x
  2. Step 2: Convert to fraction form
    1,547,825.79/2,136,008.97 = 859,508.85/x
  3. Step 3: Cross multiply
    1,547,825.79x = 2,136,008.97 × 859,508.85
  4. Step 4: Simplify right side
    1,547,825.79x = 1,835,918,613,394.38
  5. Step 5: Solve for x
    x = 1,835,918,613,394.38/1,547,825.79
  6. Step 6: Final answer
    x = 1,186,127.42

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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.