Home / 1,280,627.04-1,767,265.92-707,667.20

Finding the Fourth Proportional to 1,280,627.04, 1,767,265.92 and 707,667.20

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Solution

The fourth proportional to 1,280,627.04, 1,767,265.92 and 707,667.20 is: 976,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,627.04 : 1,767,265.92 = 707,667.20 : x
  2. Step 2: Convert to fraction form
    1,280,627.04/1,767,265.92 = 707,667.20/x
  3. Step 3: Cross multiply
    1,280,627.04x = 1,767,265.92 × 707,667.20
  4. Step 4: Simplify right side
    1,280,627.04x = 1,250,636,125,261.82
  5. Step 5: Solve for x
    x = 1,250,636,125,261.82/1,280,627.04
  6. Step 6: Final answer
    x = 976,581.07

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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.