Home / 1,406,000.80-2,109,001.20-927,703.90

Finding the Fourth Proportional to 1,406,000.80, 2,109,001.20 and 927,703.90

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Solution

The fourth proportional to 1,406,000.80, 2,109,001.20 and 927,703.90 is: 1,391,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,000.80 : 2,109,001.20 = 927,703.90 : x
  2. Step 2: Convert to fraction form
    1,406,000.80/2,109,001.20 = 927,703.90/x
  3. Step 3: Cross multiply
    1,406,000.80x = 2,109,001.20 × 927,703.90
  4. Step 4: Simplify right side
    1,406,000.80x = 1,956,528,638,344.68
  5. Step 5: Solve for x
    x = 1,956,528,638,344.68/1,406,000.80
  6. Step 6: Final answer
    x = 1,391,555.85

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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.