Home / 786,909.40-1,182,113.70-757,166.20

Finding the Fourth Proportional to 786,909.40, 1,182,113.70 and 757,166.20

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Solution

The fourth proportional to 786,909.40, 1,182,113.70 and 757,166.20 is: 1,137,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,909.40 : 1,182,113.70 = 757,166.20 : x
  2. Step 2: Convert to fraction form
    786,909.40/1,182,113.70 = 757,166.20/x
  3. Step 3: Cross multiply
    786,909.40x = 1,182,113.70 × 757,166.20
  4. Step 4: Simplify right side
    786,909.40x = 895,056,538,196.94
  5. Step 5: Solve for x
    x = 895,056,538,196.94/786,909.40
  6. Step 6: Final answer
    x = 1,137,432.77

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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.