Home / 783,006.40-1,174,509.60-769,884.40

Finding the Fourth Proportional to 783,006.40, 1,174,509.60 and 769,884.40

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Solution

The fourth proportional to 783,006.40, 1,174,509.60 and 769,884.40 is: 1,154,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,006.40 : 1,174,509.60 = 769,884.40 : x
  2. Step 2: Convert to fraction form
    783,006.40/1,174,509.60 = 769,884.40/x
  3. Step 3: Cross multiply
    783,006.40x = 1,174,509.60 × 769,884.40
  4. Step 4: Simplify right side
    783,006.40x = 904,236,618,690.24
  5. Step 5: Solve for x
    x = 904,236,618,690.24/783,006.40
  6. Step 6: Final answer
    x = 1,154,826.60

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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.