Home / 1,323,064.19-1,982,852.46-523,909.78

Finding the Fourth Proportional to 1,323,064.19, 1,982,852.46 and 523,909.78

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Solution

The fourth proportional to 1,323,064.19, 1,982,852.46 and 523,909.78 is: 785,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,064.19 : 1,982,852.46 = 523,909.78 : x
  2. Step 2: Convert to fraction form
    1,323,064.19/1,982,852.46 = 523,909.78/x
  3. Step 3: Cross multiply
    1,323,064.19x = 1,982,852.46 × 523,909.78
  4. Step 4: Simplify right side
    1,323,064.19x = 1,038,835,791,133.93
  5. Step 5: Solve for x
    x = 1,038,835,791,133.93/1,323,064.19
  6. Step 6: Final answer
    x = 785,174.14

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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.