Home / 869,061.40-1,303,592.10-758,469.40

Finding the Fourth Proportional to 869,061.40, 1,303,592.10 and 758,469.40

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Solution

The fourth proportional to 869,061.40, 1,303,592.10 and 758,469.40 is: 1,137,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,061.40 : 1,303,592.10 = 758,469.40 : x
  2. Step 2: Convert to fraction form
    869,061.40/1,303,592.10 = 758,469.40/x
  3. Step 3: Cross multiply
    869,061.40x = 1,303,592.10 × 758,469.40
  4. Step 4: Simplify right side
    869,061.40x = 988,734,717,931.74
  5. Step 5: Solve for x
    x = 988,734,717,931.74/869,061.40
  6. Step 6: Final answer
    x = 1,137,704.10

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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.