Home / 783,614.60-1,175,421.90-744,907.40

Finding the Fourth Proportional to 783,614.60, 1,175,421.90 and 744,907.40

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Solution

The fourth proportional to 783,614.60, 1,175,421.90 and 744,907.40 is: 1,117,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,614.60 : 1,175,421.90 = 744,907.40 : x
  2. Step 2: Convert to fraction form
    783,614.60/1,175,421.90 = 744,907.40/x
  3. Step 3: Cross multiply
    783,614.60x = 1,175,421.90 × 744,907.40
  4. Step 4: Simplify right side
    783,614.60x = 875,580,471,432.06
  5. Step 5: Solve for x
    x = 875,580,471,432.06/783,614.60
  6. Step 6: Final answer
    x = 1,117,361.10

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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.