Home / 1,448,875-2,172,426.36-690,948.28

Finding the Fourth Proportional to 1,448,875, 2,172,426.36 and 690,948.28

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Solution

The fourth proportional to 1,448,875, 2,172,426.36 and 690,948.28 is: 1,035,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,875 : 2,172,426.36 = 690,948.28 : x
  2. Step 2: Convert to fraction form
    1,448,875/2,172,426.36 = 690,948.28/x
  3. Step 3: Cross multiply
    1,448,875x = 2,172,426.36 × 690,948.28
  4. Step 4: Simplify right side
    1,448,875x = 1,501,034,256,868.66
  5. Step 5: Solve for x
    x = 1,501,034,256,868.66/1,448,875
  6. Step 6: Final answer
    x = 1,035,999.83

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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.