Home / 691,110.60-1,036,665.90-651,744.60

Finding the Fourth Proportional to 691,110.60, 1,036,665.90 and 651,744.60

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Solution

The fourth proportional to 691,110.60, 1,036,665.90 and 651,744.60 is: 977,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,110.60 : 1,036,665.90 = 651,744.60 : x
  2. Step 2: Convert to fraction form
    691,110.60/1,036,665.90 = 651,744.60/x
  3. Step 3: Cross multiply
    691,110.60x = 1,036,665.90 × 651,744.60
  4. Step 4: Simplify right side
    691,110.60x = 675,641,402,329.14
  5. Step 5: Solve for x
    x = 675,641,402,329.14/691,110.60
  6. Step 6: Final answer
    x = 977,616.90

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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.