Home / 1,331,795.76-1,997,712.09-433,242.20

Finding the Fourth Proportional to 1,331,795.76, 1,997,712.09 and 433,242.20

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Solution

The fourth proportional to 1,331,795.76, 1,997,712.09 and 433,242.20 is: 649,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,795.76 : 1,997,712.09 = 433,242.20 : x
  2. Step 2: Convert to fraction form
    1,331,795.76/1,997,712.09 = 433,242.20/x
  3. Step 3: Cross multiply
    1,331,795.76x = 1,997,712.09 × 433,242.20
  4. Step 4: Simplify right side
    1,331,795.76x = 865,493,178,671.99
  5. Step 5: Solve for x
    x = 865,493,178,671.99/1,331,795.76
  6. Step 6: Final answer
    x = 649,869.30

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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.