Home / 1,291,780.23-1,937,675.57-523,292.48

Finding the Fourth Proportional to 1,291,780.23, 1,937,675.57 and 523,292.48

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Solution

The fourth proportional to 1,291,780.23, 1,937,675.57 and 523,292.48 is: 784,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,780.23 : 1,937,675.57 = 523,292.48 : x
  2. Step 2: Convert to fraction form
    1,291,780.23/1,937,675.57 = 523,292.48/x
  3. Step 3: Cross multiply
    1,291,780.23x = 1,937,675.57 × 523,292.48
  4. Step 4: Simplify right side
    1,291,780.23x = 1,013,971,053,346.85
  5. Step 5: Solve for x
    x = 1,013,971,053,346.85/1,291,780.23
  6. Step 6: Final answer
    x = 784,940.84

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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.