Home / 749,730.80-1,124,855.40-723,810.80

Finding the Fourth Proportional to 749,730.80, 1,124,855.40 and 723,810.80

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Solution

The fourth proportional to 749,730.80, 1,124,855.40 and 723,810.80 is: 1,085,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,730.80 : 1,124,855.40 = 723,810.80 : x
  2. Step 2: Convert to fraction form
    749,730.80/1,124,855.40 = 723,810.80/x
  3. Step 3: Cross multiply
    749,730.80x = 1,124,855.40 × 723,810.80
  4. Step 4: Simplify right side
    749,730.80x = 814,182,486,958.32
  5. Step 5: Solve for x
    x = 814,182,486,958.32/749,730.80
  6. Step 6: Final answer
    x = 1,085,966.44

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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.