Home / 1,687,875.84-2,530,997.28-623,419.20

Finding the Fourth Proportional to 1,687,875.84, 2,530,997.28 and 623,419.20

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Solution

The fourth proportional to 1,687,875.84, 2,530,997.28 and 623,419.20 is: 934,827.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,875.84 : 2,530,997.28 = 623,419.20 : x
  2. Step 2: Convert to fraction form
    1,687,875.84/2,530,997.28 = 623,419.20/x
  3. Step 3: Cross multiply
    1,687,875.84x = 2,530,997.28 × 623,419.20
  4. Step 4: Simplify right side
    1,687,875.84x = 1,577,872,299,499.78
  5. Step 5: Solve for x
    x = 1,577,872,299,499.78/1,687,875.84
  6. Step 6: Final answer
    x = 934,827.23

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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.