Home / 1,038,090.53-1,431,670.34-675,382.05

Finding the Fourth Proportional to 1,038,090.53, 1,431,670.34 and 675,382.05

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Solution

The fourth proportional to 1,038,090.53, 1,431,670.34 and 675,382.05 is: 931,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,090.53 : 1,431,670.34 = 675,382.05 : x
  2. Step 2: Convert to fraction form
    1,038,090.53/1,431,670.34 = 675,382.05/x
  3. Step 3: Cross multiply
    1,038,090.53x = 1,431,670.34 × 675,382.05
  4. Step 4: Simplify right side
    1,038,090.53x = 966,924,450,841.85
  5. Step 5: Solve for x
    x = 966,924,450,841.85/1,038,090.53
  6. Step 6: Final answer
    x = 931,445.21

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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.