Home / 1,379,760.76-2,069,483.46-368,961.53

Finding the Fourth Proportional to 1,379,760.76, 2,069,483.46 and 368,961.53

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Solution

The fourth proportional to 1,379,760.76, 2,069,483.46 and 368,961.53 is: 553,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,760.76 : 2,069,483.46 = 368,961.53 : x
  2. Step 2: Convert to fraction form
    1,379,760.76/2,069,483.46 = 368,961.53/x
  3. Step 3: Cross multiply
    1,379,760.76x = 2,069,483.46 × 368,961.53
  4. Step 4: Simplify right side
    1,379,760.76x = 763,559,771,980.27
  5. Step 5: Solve for x
    x = 763,559,771,980.27/1,379,760.76
  6. Step 6: Final answer
    x = 553,400.12

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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.