Home / 1,503,387.54-2,254,862.61-438,143.58

Finding the Fourth Proportional to 1,503,387.54, 2,254,862.61 and 438,143.58

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Solution

The fourth proportional to 1,503,387.54, 2,254,862.61 and 438,143.58 is: 657,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,387.54 : 2,254,862.61 = 438,143.58 : x
  2. Step 2: Convert to fraction form
    1,503,387.54/2,254,862.61 = 438,143.58/x
  3. Step 3: Cross multiply
    1,503,387.54x = 2,254,862.61 × 438,143.58
  4. Step 4: Simplify right side
    1,503,387.54x = 987,953,576,353.54
  5. Step 5: Solve for x
    x = 987,953,576,353.54/1,503,387.54
  6. Step 6: Final answer
    x = 657,151.63

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1.5x scale

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.