Home / 1,625,320.78-2,428,096.91-1,052,031.40

Finding the Fourth Proportional to 1,625,320.78, 2,428,096.91 and 1,052,031.40

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Solution

The fourth proportional to 1,625,320.78, 2,428,096.91 and 1,052,031.40 is: 1,571,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,320.78 : 2,428,096.91 = 1,052,031.40 : x
  2. Step 2: Convert to fraction form
    1,625,320.78/2,428,096.91 = 1,052,031.40/x
  3. Step 3: Cross multiply
    1,625,320.78x = 2,428,096.91 × 1,052,031.40
  4. Step 4: Simplify right side
    1,625,320.78x = 2,554,434,191,562.97
  5. Step 5: Solve for x
    x = 2,554,434,191,562.97/1,625,320.78
  6. Step 6: Final answer
    x = 1,571,649.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.