Home / 1,755,254.28-2,422,298.70-991,421.40

Finding the Fourth Proportional to 1,755,254.28, 2,422,298.70 and 991,421.40

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Solution

The fourth proportional to 1,755,254.28, 2,422,298.70 and 991,421.40 is: 1,368,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,254.28 : 2,422,298.70 = 991,421.40 : x
  2. Step 2: Convert to fraction form
    1,755,254.28/2,422,298.70 = 991,421.40/x
  3. Step 3: Cross multiply
    1,755,254.28x = 2,422,298.70 × 991,421.40
  4. Step 4: Simplify right side
    1,755,254.28x = 2,401,518,768,372.18
  5. Step 5: Solve for x
    x = 2,401,518,768,372.18/1,755,254.28
  6. Step 6: Final answer
    x = 1,368,188.53

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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.