Home / 1,370,565.40-2,055,928.80-529,121.56

Finding the Fourth Proportional to 1,370,565.40, 2,055,928.80 and 529,121.56

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Solution

The fourth proportional to 1,370,565.40, 2,055,928.80 and 529,121.56 is: 793,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,565.40 : 2,055,928.80 = 529,121.56 : x
  2. Step 2: Convert to fraction form
    1,370,565.40/2,055,928.80 = 529,121.56/x
  3. Step 3: Cross multiply
    1,370,565.40x = 2,055,928.80 × 529,121.56
  4. Step 4: Simplify right side
    1,370,565.40x = 1,087,836,253,904.93
  5. Step 5: Solve for x
    x = 1,087,836,253,904.93/1,370,565.40
  6. Step 6: Final answer
    x = 793,713.50

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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.