Home / 1,625,542.71-2,243,150.06-900,347.28

Finding the Fourth Proportional to 1,625,542.71, 2,243,150.06 and 900,347.28

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Solution

The fourth proportional to 1,625,542.71, 2,243,150.06 and 900,347.28 is: 1,242,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,542.71 : 2,243,150.06 = 900,347.28 : x
  2. Step 2: Convert to fraction form
    1,625,542.71/2,243,150.06 = 900,347.28/x
  3. Step 3: Cross multiply
    1,625,542.71x = 2,243,150.06 × 900,347.28
  4. Step 4: Simplify right side
    1,625,542.71x = 2,019,614,050,651.10
  5. Step 5: Solve for x
    x = 2,019,614,050,651.10/1,625,542.71
  6. Step 6: Final answer
    x = 1,242,424.48

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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.