Home / 1,403,405.04-1,936,697.70-758,823.87

Finding the Fourth Proportional to 1,403,405.04, 1,936,697.70 and 758,823.87

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Solution

The fourth proportional to 1,403,405.04, 1,936,697.70 and 758,823.87 is: 1,047,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,405.04 : 1,936,697.70 = 758,823.87 : x
  2. Step 2: Convert to fraction form
    1,403,405.04/1,936,697.70 = 758,823.87/x
  3. Step 3: Cross multiply
    1,403,405.04x = 1,936,697.70 × 758,823.87
  4. Step 4: Simplify right side
    1,403,405.04x = 1,469,612,443,734.10
  5. Step 5: Solve for x
    x = 1,469,612,443,734.10/1,403,405.04
  6. Step 6: Final answer
    x = 1,047,176.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.