Home / 1,315,123.16-1,972,322.88-450,545.36

Finding the Fourth Proportional to 1,315,123.16, 1,972,322.88 and 450,545.36

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Solution

The fourth proportional to 1,315,123.16, 1,972,322.88 and 450,545.36 is: 675,694.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,123.16 : 1,972,322.88 = 450,545.36 : x
  2. Step 2: Convert to fraction form
    1,315,123.16/1,972,322.88 = 450,545.36/x
  3. Step 3: Cross multiply
    1,315,123.16x = 1,972,322.88 × 450,545.36
  4. Step 4: Simplify right side
    1,315,123.16x = 888,620,912,144.22
  5. Step 5: Solve for x
    x = 888,620,912,144.22/1,315,123.16
  6. Step 6: Final answer
    x = 675,694.07

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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.