Home / 1,093,291.20-1,638,400.80-869,035.20

Finding the Fourth Proportional to 1,093,291.20, 1,638,400.80 and 869,035.20

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Solution

The fourth proportional to 1,093,291.20, 1,638,400.80 and 869,035.20 is: 1,302,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,291.20 : 1,638,400.80 = 869,035.20 : x
  2. Step 2: Convert to fraction form
    1,093,291.20/1,638,400.80 = 869,035.20/x
  3. Step 3: Cross multiply
    1,093,291.20x = 1,638,400.80 × 869,035.20
  4. Step 4: Simplify right side
    1,093,291.20x = 1,423,827,966,908.16
  5. Step 5: Solve for x
    x = 1,423,827,966,908.16/1,093,291.20
  6. Step 6: Final answer
    x = 1,302,331.86

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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.