Home / 1,243,430.10-1,865,145.15-444,737.70

Finding the Fourth Proportional to 1,243,430.10, 1,865,145.15 and 444,737.70

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Solution

The fourth proportional to 1,243,430.10, 1,865,145.15 and 444,737.70 is: 667,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,430.10 : 1,865,145.15 = 444,737.70 : x
  2. Step 2: Convert to fraction form
    1,243,430.10/1,865,145.15 = 444,737.70/x
  3. Step 3: Cross multiply
    1,243,430.10x = 1,865,145.15 × 444,737.70
  4. Step 4: Simplify right side
    1,243,430.10x = 829,500,364,177.16
  5. Step 5: Solve for x
    x = 829,500,364,177.16/1,243,430.10
  6. Step 6: Final answer
    x = 667,106.55

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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.