Home / 1,005,939.60-1,508,909.40-939,017.40

Finding the Fourth Proportional to 1,005,939.60, 1,508,909.40 and 939,017.40

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Solution

The fourth proportional to 1,005,939.60, 1,508,909.40 and 939,017.40 is: 1,408,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,939.60 : 1,508,909.40 = 939,017.40 : x
  2. Step 2: Convert to fraction form
    1,005,939.60/1,508,909.40 = 939,017.40/x
  3. Step 3: Cross multiply
    1,005,939.60x = 1,508,909.40 × 939,017.40
  4. Step 4: Simplify right side
    1,005,939.60x = 1,416,892,181,623.56
  5. Step 5: Solve for x
    x = 1,416,892,181,623.56/1,005,939.60
  6. Step 6: Final answer
    x = 1,408,526.10

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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.