Home / 869,747.40-1,303,065.90-736,000.20

Finding the Fourth Proportional to 869,747.40, 1,303,065.90 and 736,000.20

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Solution

The fourth proportional to 869,747.40, 1,303,065.90 and 736,000.20 is: 1,102,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,747.40 : 1,303,065.90 = 736,000.20 : x
  2. Step 2: Convert to fraction form
    869,747.40/1,303,065.90 = 736,000.20/x
  3. Step 3: Cross multiply
    869,747.40x = 1,303,065.90 × 736,000.20
  4. Step 4: Simplify right side
    869,747.40x = 959,056,763,013.18
  5. Step 5: Solve for x
    x = 959,056,763,013.18/869,747.40
  6. Step 6: Final answer
    x = 1,102,684.25

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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.