Home / 970,570.80-1,455,856.20-911,521.80

Finding the Fourth Proportional to 970,570.80, 1,455,856.20 and 911,521.80

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Solution

The fourth proportional to 970,570.80, 1,455,856.20 and 911,521.80 is: 1,367,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,570.80 : 1,455,856.20 = 911,521.80 : x
  2. Step 2: Convert to fraction form
    970,570.80/1,455,856.20 = 911,521.80/x
  3. Step 3: Cross multiply
    970,570.80x = 1,455,856.20 × 911,521.80
  4. Step 4: Simplify right side
    970,570.80x = 1,327,044,663,965.16
  5. Step 5: Solve for x
    x = 1,327,044,663,965.16/970,570.80
  6. Step 6: Final answer
    x = 1,367,282.70

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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.