Home / 1,510,046.61-2,083,864.67-830,983.11

Finding the Fourth Proportional to 1,510,046.61, 2,083,864.67 and 830,983.11

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Solution

The fourth proportional to 1,510,046.61, 2,083,864.67 and 830,983.11 is: 1,146,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,046.61 : 2,083,864.67 = 830,983.11 : x
  2. Step 2: Convert to fraction form
    1,510,046.61/2,083,864.67 = 830,983.11/x
  3. Step 3: Cross multiply
    1,510,046.61x = 2,083,864.67 × 830,983.11
  4. Step 4: Simplify right side
    1,510,046.61x = 1,731,656,349,510.41
  5. Step 5: Solve for x
    x = 1,731,656,349,510.41/1,510,046.61
  6. Step 6: Final answer
    x = 1,146,756.88

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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.