Home / 1,040,217.40-1,556,870.10-755,097.40

Finding the Fourth Proportional to 1,040,217.40, 1,556,870.10 and 755,097.40

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Solution

The fourth proportional to 1,040,217.40, 1,556,870.10 and 755,097.40 is: 1,130,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,217.40 : 1,556,870.10 = 755,097.40 : x
  2. Step 2: Convert to fraction form
    1,040,217.40/1,556,870.10 = 755,097.40/x
  3. Step 3: Cross multiply
    1,040,217.40x = 1,556,870.10 × 755,097.40
  4. Step 4: Simplify right side
    1,040,217.40x = 1,175,588,564,647.74
  5. Step 5: Solve for x
    x = 1,175,588,564,647.74/1,040,217.40
  6. Step 6: Final answer
    x = 1,130,137.38

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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.