Home / 1,104,817.20-1,657,225.80-394,868.40

Finding the Fourth Proportional to 1,104,817.20, 1,657,225.80 and 394,868.40

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Solution

The fourth proportional to 1,104,817.20, 1,657,225.80 and 394,868.40 is: 592,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,817.20 : 1,657,225.80 = 394,868.40 : x
  2. Step 2: Convert to fraction form
    1,104,817.20/1,657,225.80 = 394,868.40/x
  3. Step 3: Cross multiply
    1,104,817.20x = 1,657,225.80 × 394,868.40
  4. Step 4: Simplify right side
    1,104,817.20x = 654,386,100,084.72
  5. Step 5: Solve for x
    x = 654,386,100,084.72/1,104,817.20
  6. Step 6: Final answer
    x = 592,302.60

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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.