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Finding the Fourth Proportional to 1,187,437.01, 1,776,951 and 738,369.36

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Solution

The fourth proportional to 1,187,437.01, 1,776,951 and 738,369.36 is: 1,104,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,437.01 : 1,776,951 = 738,369.36 : x
  2. Step 2: Convert to fraction form
    1,187,437.01/1,776,951 = 738,369.36/x
  3. Step 3: Cross multiply
    1,187,437.01x = 1,776,951 × 738,369.36
  4. Step 4: Simplify right side
    1,187,437.01x = 1,312,046,172,621.36
  5. Step 5: Solve for x
    x = 1,312,046,172,621.36/1,187,437.01
  6. Step 6: Final answer
    x = 1,104,939.60

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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.