Home / 970,490.20-1,455,929.70-813,803.80

Finding the Fourth Proportional to 970,490.20, 1,455,929.70 and 813,803.80

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Solution

The fourth proportional to 970,490.20, 1,455,929.70 and 813,803.80 is: 1,220,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,490.20 : 1,455,929.70 = 813,803.80 : x
  2. Step 2: Convert to fraction form
    970,490.20/1,455,929.70 = 813,803.80/x
  3. Step 3: Cross multiply
    970,490.20x = 1,455,929.70 × 813,803.80
  4. Step 4: Simplify right side
    970,490.20x = 1,184,841,122,392.86
  5. Step 5: Solve for x
    x = 1,184,841,122,392.86/970,490.20
  6. Step 6: Final answer
    x = 1,220,868.71

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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.