Home / 1,343,045.75-1,854,977.78-889,549.43

Finding the Fourth Proportional to 1,343,045.75, 1,854,977.78 and 889,549.43

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Solution

The fourth proportional to 1,343,045.75, 1,854,977.78 and 889,549.43 is: 1,228,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,045.75 : 1,854,977.78 = 889,549.43 : x
  2. Step 2: Convert to fraction form
    1,343,045.75/1,854,977.78 = 889,549.43/x
  3. Step 3: Cross multiply
    1,343,045.75x = 1,854,977.78 × 889,549.43
  4. Step 4: Simplify right side
    1,343,045.75x = 1,650,094,426,861.67
  5. Step 5: Solve for x
    x = 1,650,094,426,861.67/1,343,045.75
  6. Step 6: Final answer
    x = 1,228,621.16

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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.