Home / 1,540,265.85-2,124,915.98-1,031,132.25

Finding the Fourth Proportional to 1,540,265.85, 2,124,915.98 and 1,031,132.25

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Solution

The fourth proportional to 1,540,265.85, 2,124,915.98 and 1,031,132.25 is: 1,422,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,265.85 : 2,124,915.98 = 1,031,132.25 : x
  2. Step 2: Convert to fraction form
    1,540,265.85/2,124,915.98 = 1,031,132.25/x
  3. Step 3: Cross multiply
    1,540,265.85x = 2,124,915.98 × 1,031,132.25
  4. Step 4: Simplify right side
    1,540,265.85x = 2,191,069,390,362.69
  5. Step 5: Solve for x
    x = 2,191,069,390,362.69/1,540,265.85
  6. Step 6: Final answer
    x = 1,422,526.76

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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.