Home / 1,350,090.72-1,863,069.36-777,151.20

Finding the Fourth Proportional to 1,350,090.72, 1,863,069.36 and 777,151.20

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Solution

The fourth proportional to 1,350,090.72, 1,863,069.36 and 777,151.20 is: 1,072,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,090.72 : 1,863,069.36 = 777,151.20 : x
  2. Step 2: Convert to fraction form
    1,350,090.72/1,863,069.36 = 777,151.20/x
  3. Step 3: Cross multiply
    1,350,090.72x = 1,863,069.36 × 777,151.20
  4. Step 4: Simplify right side
    1,350,090.72x = 1,447,886,588,807.23
  5. Step 5: Solve for x
    x = 1,447,886,588,807.23/1,350,090.72
  6. Step 6: Final answer
    x = 1,072,436.52

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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.