Home / 1,316,864.10-1,817,419.95-743,941.20

Finding the Fourth Proportional to 1,316,864.10, 1,817,419.95 and 743,941.20

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Solution

The fourth proportional to 1,316,864.10, 1,817,419.95 and 743,941.20 is: 1,026,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,864.10 : 1,817,419.95 = 743,941.20 : x
  2. Step 2: Convert to fraction form
    1,316,864.10/1,817,419.95 = 743,941.20/x
  3. Step 3: Cross multiply
    1,316,864.10x = 1,817,419.95 × 743,941.20
  4. Step 4: Simplify right side
    1,316,864.10x = 1,352,053,578,506.94
  5. Step 5: Solve for x
    x = 1,352,053,578,506.94/1,316,864.10
  6. Step 6: Final answer
    x = 1,026,722.18

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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.