Home / 1,379,494.02-2,069,328.51-432,902.10

Finding the Fourth Proportional to 1,379,494.02, 2,069,328.51 and 432,902.10

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Solution

The fourth proportional to 1,379,494.02, 2,069,328.51 and 432,902.10 is: 649,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,494.02 : 2,069,328.51 = 432,902.10 : x
  2. Step 2: Convert to fraction form
    1,379,494.02/2,069,328.51 = 432,902.10/x
  3. Step 3: Cross multiply
    1,379,494.02x = 2,069,328.51 × 432,902.10
  4. Step 4: Simplify right side
    1,379,494.02x = 895,816,657,568.87
  5. Step 5: Solve for x
    x = 895,816,657,568.87/1,379,494.02
  6. Step 6: Final answer
    x = 649,380.60

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Double scale
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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.