Home / 1,619,431.80-2,427,521.88-553,744.92

Finding the Fourth Proportional to 1,619,431.80, 2,427,521.88 and 553,744.92

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Solution

The fourth proportional to 1,619,431.80, 2,427,521.88 and 553,744.92 is: 830,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,431.80 : 2,427,521.88 = 553,744.92 : x
  2. Step 2: Convert to fraction form
    1,619,431.80/2,427,521.88 = 553,744.92/x
  3. Step 3: Cross multiply
    1,619,431.80x = 2,427,521.88 × 553,744.92
  4. Step 4: Simplify right side
    1,619,431.80x = 1,344,227,909,238.85
  5. Step 5: Solve for x
    x = 1,344,227,909,238.85/1,619,431.80
  6. Step 6: Final answer
    x = 830,061.45

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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.