Home / 743,854.20-1,118,114.10-729,857.40

Finding the Fourth Proportional to 743,854.20, 1,118,114.10 and 729,857.40

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Solution

The fourth proportional to 743,854.20, 1,118,114.10 and 729,857.40 is: 1,097,075.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,854.20 : 1,118,114.10 = 729,857.40 : x
  2. Step 2: Convert to fraction form
    743,854.20/1,118,114.10 = 729,857.40/x
  3. Step 3: Cross multiply
    743,854.20x = 1,118,114.10 × 729,857.40
  4. Step 4: Simplify right side
    743,854.20x = 816,063,849,929.34
  5. Step 5: Solve for x
    x = 816,063,849,929.34/743,854.20
  6. Step 6: Final answer
    x = 1,097,075.00

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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.