Home / 1,500,231.12-2,070,331.85-855,683.95

Finding the Fourth Proportional to 1,500,231.12, 2,070,331.85 and 855,683.95

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Solution

The fourth proportional to 1,500,231.12, 2,070,331.85 and 855,683.95 is: 1,180,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,231.12 : 2,070,331.85 = 855,683.95 : x
  2. Step 2: Convert to fraction form
    1,500,231.12/2,070,331.85 = 855,683.95/x
  3. Step 3: Cross multiply
    1,500,231.12x = 2,070,331.85 × 855,683.95
  4. Step 4: Simplify right side
    1,500,231.12x = 1,771,549,733,700.50
  5. Step 5: Solve for x
    x = 1,771,549,733,700.50/1,500,231.12
  6. Step 6: Final answer
    x = 1,180,851.21

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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.