Home / 1,013,785.84-1,521,016.56-339,933.76

Finding the Fourth Proportional to 1,013,785.84, 1,521,016.56 and 339,933.76

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Solution

The fourth proportional to 1,013,785.84, 1,521,016.56 and 339,933.76 is: 510,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,785.84 : 1,521,016.56 = 339,933.76 : x
  2. Step 2: Convert to fraction form
    1,013,785.84/1,521,016.56 = 339,933.76/x
  3. Step 3: Cross multiply
    1,013,785.84x = 1,521,016.56 × 339,933.76
  4. Step 4: Simplify right side
    1,013,785.84x = 517,044,878,263.07
  5. Step 5: Solve for x
    x = 517,044,878,263.07/1,013,785.84
  6. Step 6: Final answer
    x = 510,013.91

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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.