Home / 1,687,272.60-2,531,130.90-623,062.20

Finding the Fourth Proportional to 1,687,272.60, 2,531,130.90 and 623,062.20

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Solution

The fourth proportional to 1,687,272.60, 2,531,130.90 and 623,062.20 is: 934,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,272.60 : 2,531,130.90 = 623,062.20 : x
  2. Step 2: Convert to fraction form
    1,687,272.60/2,531,130.90 = 623,062.20/x
  3. Step 3: Cross multiply
    1,687,272.60x = 2,531,130.90 × 623,062.20
  4. Step 4: Simplify right side
    1,687,272.60x = 1,577,051,987,041.98
  5. Step 5: Solve for x
    x = 1,577,051,987,041.98/1,687,272.60
  6. Step 6: Final answer
    x = 934,675.28

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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.