Home / 1,551,739.65-2,141,079.87-907,035.12

Finding the Fourth Proportional to 1,551,739.65, 2,141,079.87 and 907,035.12

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Solution

The fourth proportional to 1,551,739.65, 2,141,079.87 and 907,035.12 is: 1,251,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,739.65 : 2,141,079.87 = 907,035.12 : x
  2. Step 2: Convert to fraction form
    1,551,739.65/2,141,079.87 = 907,035.12/x
  3. Step 3: Cross multiply
    1,551,739.65x = 2,141,079.87 × 907,035.12
  4. Step 4: Simplify right side
    1,551,739.65x = 1,942,034,636,815.03
  5. Step 5: Solve for x
    x = 1,942,034,636,815.03/1,551,739.65
  6. Step 6: Final answer
    x = 1,251,520.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.