Home / 821,405.40-1,232,108.10-732,175.80

Finding the Fourth Proportional to 821,405.40, 1,232,108.10 and 732,175.80

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Solution

The fourth proportional to 821,405.40, 1,232,108.10 and 732,175.80 is: 1,098,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,405.40 : 1,232,108.10 = 732,175.80 : x
  2. Step 2: Convert to fraction form
    821,405.40/1,232,108.10 = 732,175.80/x
  3. Step 3: Cross multiply
    821,405.40x = 1,232,108.10 × 732,175.80
  4. Step 4: Simplify right side
    821,405.40x = 902,119,733,803.98
  5. Step 5: Solve for x
    x = 902,119,733,803.98/821,405.40
  6. Step 6: Final answer
    x = 1,098,263.70

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1.5x scale

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.