Home / 910,123.83-1,256,372.90-587,990.07

Finding the Fourth Proportional to 910,123.83, 1,256,372.90 and 587,990.07

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Solution

The fourth proportional to 910,123.83, 1,256,372.90 and 587,990.07 is: 811,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,123.83 : 1,256,372.90 = 587,990.07 : x
  2. Step 2: Convert to fraction form
    910,123.83/1,256,372.90 = 587,990.07/x
  3. Step 3: Cross multiply
    910,123.83x = 1,256,372.90 × 587,990.07
  4. Step 4: Simplify right side
    910,123.83x = 738,734,786,477.15
  5. Step 5: Solve for x
    x = 738,734,786,477.15/910,123.83
  6. Step 6: Final answer
    x = 811,686.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.