Home / 1,316,721.96-1,817,224.20-743,799.02

Finding the Fourth Proportional to 1,316,721.96, 1,817,224.20 and 743,799.02

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Solution

The fourth proportional to 1,316,721.96, 1,817,224.20 and 743,799.02 is: 1,026,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,721.96 : 1,817,224.20 = 743,799.02 : x
  2. Step 2: Convert to fraction form
    1,316,721.96/1,817,224.20 = 743,799.02/x
  3. Step 3: Cross multiply
    1,316,721.96x = 1,817,224.20 × 743,799.02
  4. Step 4: Simplify right side
    1,316,721.96x = 1,351,649,569,994.16
  5. Step 5: Solve for x
    x = 1,351,649,569,994.16/1,316,721.96
  6. Step 6: Final answer
    x = 1,026,526.18

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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.