Home / 1,307,229.40-1,960,901.70-738,602.20

Finding the Fourth Proportional to 1,307,229.40, 1,960,901.70 and 738,602.20

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Solution

The fourth proportional to 1,307,229.40, 1,960,901.70 and 738,602.20 is: 1,107,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,229.40 : 1,960,901.70 = 738,602.20 : x
  2. Step 2: Convert to fraction form
    1,307,229.40/1,960,901.70 = 738,602.20/x
  3. Step 3: Cross multiply
    1,307,229.40x = 1,960,901.70 × 738,602.20
  4. Step 4: Simplify right side
    1,307,229.40x = 1,448,326,309,603.74
  5. Step 5: Solve for x
    x = 1,448,326,309,603.74/1,307,229.40
  6. Step 6: Final answer
    x = 1,107,935.84

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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.