Home / 1,708,377.30-2,565,518.40-911,215.80

Finding the Fourth Proportional to 1,708,377.30, 2,565,518.40 and 911,215.80

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Solution

The fourth proportional to 1,708,377.30, 2,565,518.40 and 911,215.80 is: 1,368,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,377.30 : 2,565,518.40 = 911,215.80 : x
  2. Step 2: Convert to fraction form
    1,708,377.30/2,565,518.40 = 911,215.80/x
  3. Step 3: Cross multiply
    1,708,377.30x = 2,565,518.40 × 911,215.80
  4. Step 4: Simplify right side
    1,708,377.30x = 2,337,740,901,270.72
  5. Step 5: Solve for x
    x = 2,337,740,901,270.72/1,708,377.30
  6. Step 6: Final answer
    x = 1,368,398.48

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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.