Home / 1,343,162.70-2,014,744.05-918,009.90

Finding the Fourth Proportional to 1,343,162.70, 2,014,744.05 and 918,009.90

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Solution

The fourth proportional to 1,343,162.70, 2,014,744.05 and 918,009.90 is: 1,377,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,162.70 : 2,014,744.05 = 918,009.90 : x
  2. Step 2: Convert to fraction form
    1,343,162.70/2,014,744.05 = 918,009.90/x
  3. Step 3: Cross multiply
    1,343,162.70x = 2,014,744.05 × 918,009.90
  4. Step 4: Simplify right side
    1,343,162.70x = 1,849,554,983,866.10
  5. Step 5: Solve for x
    x = 1,849,554,983,866.10/1,343,162.70
  6. Step 6: Final answer
    x = 1,377,014.85

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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.