Home / 1,387,346.24-1,913,971.20-1,099,712

Finding the Fourth Proportional to 1,387,346.24, 1,913,971.20 and 1,099,712

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Solution

The fourth proportional to 1,387,346.24, 1,913,971.20 and 1,099,712 is: 1,517,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,346.24 : 1,913,971.20 = 1,099,712 : x
  2. Step 2: Convert to fraction form
    1,387,346.24/1,913,971.20 = 1,099,712/x
  3. Step 3: Cross multiply
    1,387,346.24x = 1,913,971.20 × 1,099,712
  4. Step 4: Simplify right side
    1,387,346.24x = 2,104,817,096,294.40
  5. Step 5: Solve for x
    x = 2,104,817,096,294.40/1,387,346.24
  6. Step 6: Final answer
    x = 1,517,153.42

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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.