Home / 1,318,332.72-1,816,045.29-1,124,108.31

Finding the Fourth Proportional to 1,318,332.72, 1,816,045.29 and 1,124,108.31

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Solution

The fourth proportional to 1,318,332.72, 1,816,045.29 and 1,124,108.31 is: 1,548,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,332.72 : 1,816,045.29 = 1,124,108.31 : x
  2. Step 2: Convert to fraction form
    1,318,332.72/1,816,045.29 = 1,124,108.31/x
  3. Step 3: Cross multiply
    1,318,332.72x = 1,816,045.29 × 1,124,108.31
  4. Step 4: Simplify right side
    1,318,332.72x = 2,041,431,601,825.36
  5. Step 5: Solve for x
    x = 2,041,431,601,825.36/1,318,332.72
  6. Step 6: Final answer
    x = 1,548,494.98

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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.