Home / 916,399.80-1,373,433.30-816,089.40

Finding the Fourth Proportional to 916,399.80, 1,373,433.30 and 816,089.40

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Solution

The fourth proportional to 916,399.80, 1,373,433.30 and 816,089.40 is: 1,223,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,399.80 : 1,373,433.30 = 816,089.40 : x
  2. Step 2: Convert to fraction form
    916,399.80/1,373,433.30 = 816,089.40/x
  3. Step 3: Cross multiply
    916,399.80x = 1,373,433.30 × 816,089.40
  4. Step 4: Simplify right side
    916,399.80x = 1,120,844,357,737.02
  5. Step 5: Solve for x
    x = 1,120,844,357,737.02/916,399.80
  6. Step 6: Final answer
    x = 1,223,095.38

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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.