Home / 691,112.10-1,036,668.15-651,746.10

Finding the Fourth Proportional to 691,112.10, 1,036,668.15 and 651,746.10

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Solution

The fourth proportional to 691,112.10, 1,036,668.15 and 651,746.10 is: 977,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,112.10 : 1,036,668.15 = 651,746.10 : x
  2. Step 2: Convert to fraction form
    691,112.10/1,036,668.15 = 651,746.10/x
  3. Step 3: Cross multiply
    691,112.10x = 1,036,668.15 × 651,746.10
  4. Step 4: Simplify right side
    691,112.10x = 675,644,423,756.72
  5. Step 5: Solve for x
    x = 675,644,423,756.72/691,112.10
  6. Step 6: Final answer
    x = 977,619.15

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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.