Home / 1,017,897.60-1,527,470.40-419,145.60

Finding the Fourth Proportional to 1,017,897.60, 1,527,470.40 and 419,145.60

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Solution

The fourth proportional to 1,017,897.60, 1,527,470.40 and 419,145.60 is: 628,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,897.60 : 1,527,470.40 = 419,145.60 : x
  2. Step 2: Convert to fraction form
    1,017,897.60/1,527,470.40 = 419,145.60/x
  3. Step 3: Cross multiply
    1,017,897.60x = 1,527,470.40 × 419,145.60
  4. Step 4: Simplify right side
    1,017,897.60x = 640,232,497,290.24
  5. Step 5: Solve for x
    x = 640,232,497,290.24/1,017,897.60
  6. Step 6: Final answer
    x = 628,975.35

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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.