Home / 1,547,428.25-2,135,354.91-859,059.98

Finding the Fourth Proportional to 1,547,428.25, 2,135,354.91 and 859,059.98

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Solution

The fourth proportional to 1,547,428.25, 2,135,354.91 and 859,059.98 is: 1,185,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,428.25 : 2,135,354.91 = 859,059.98 : x
  2. Step 2: Convert to fraction form
    1,547,428.25/2,135,354.91 = 859,059.98/x
  3. Step 3: Cross multiply
    1,547,428.25x = 2,135,354.91 × 859,059.98
  4. Step 4: Simplify right side
    1,547,428.25x = 1,834,397,940,386.83
  5. Step 5: Solve for x
    x = 1,834,397,940,386.83/1,547,428.25
  6. Step 6: Final answer
    x = 1,185,449.43

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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.