Home / 1,104,931.20-1,657,396.80-394,982.40

Finding the Fourth Proportional to 1,104,931.20, 1,657,396.80 and 394,982.40

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Solution

The fourth proportional to 1,104,931.20, 1,657,396.80 and 394,982.40 is: 592,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,931.20 : 1,657,396.80 = 394,982.40 : x
  2. Step 2: Convert to fraction form
    1,104,931.20/1,657,396.80 = 394,982.40/x
  3. Step 3: Cross multiply
    1,104,931.20x = 1,657,396.80 × 394,982.40
  4. Step 4: Simplify right side
    1,104,931.20x = 654,642,565,816.32
  5. Step 5: Solve for x
    x = 654,642,565,816.32/1,104,931.20
  6. Step 6: Final answer
    x = 592,473.60

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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.