Home / 1,501,143.59-2,251,377.69-690,750.51

Finding the Fourth Proportional to 1,501,143.59, 2,251,377.69 and 690,750.51

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Solution

The fourth proportional to 1,501,143.59, 2,251,377.69 and 690,750.51 is: 1,035,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,143.59 : 2,251,377.69 = 690,750.51 : x
  2. Step 2: Convert to fraction form
    1,501,143.59/2,251,377.69 = 690,750.51/x
  3. Step 3: Cross multiply
    1,501,143.59x = 2,251,377.69 × 690,750.51
  4. Step 4: Simplify right side
    1,501,143.59x = 1,555,140,282,869.14
  5. Step 5: Solve for x
    x = 1,555,140,282,869.14/1,501,143.59
  6. Step 6: Final answer
    x = 1,035,970.37

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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.