Home / 1,013,685.25-1,398,885.66-561,005.41

Finding the Fourth Proportional to 1,013,685.25, 1,398,885.66 and 561,005.41

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Solution

The fourth proportional to 1,013,685.25, 1,398,885.66 and 561,005.41 is: 774,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,685.25 : 1,398,885.66 = 561,005.41 : x
  2. Step 2: Convert to fraction form
    1,013,685.25/1,398,885.66 = 561,005.41/x
  3. Step 3: Cross multiply
    1,013,685.25x = 1,398,885.66 × 561,005.41
  4. Step 4: Simplify right side
    1,013,685.25x = 784,782,423,231.42
  5. Step 5: Solve for x
    x = 784,782,423,231.42/1,013,685.25
  6. Step 6: Final answer
    x = 774,187.47

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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.