Home / 1,216,424.74-1,678,625.02-700,106.96

Finding the Fourth Proportional to 1,216,424.74, 1,678,625.02 and 700,106.96

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Solution

The fourth proportional to 1,216,424.74, 1,678,625.02 and 700,106.96 is: 966,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,424.74 : 1,678,625.02 = 700,106.96 : x
  2. Step 2: Convert to fraction form
    1,216,424.74/1,678,625.02 = 700,106.96/x
  3. Step 3: Cross multiply
    1,216,424.74x = 1,678,625.02 × 700,106.96
  4. Step 4: Simplify right side
    1,216,424.74x = 1,175,217,062,178.43
  5. Step 5: Solve for x
    x = 1,175,217,062,178.43/1,216,424.74
  6. Step 6: Final answer
    x = 966,123.94

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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.