Home / 1,207,422.18-1,808,143.81-886,813.74

Finding the Fourth Proportional to 1,207,422.18, 1,808,143.81 and 886,813.74

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Solution

The fourth proportional to 1,207,422.18, 1,808,143.81 and 886,813.74 is: 1,328,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,422.18 : 1,808,143.81 = 886,813.74 : x
  2. Step 2: Convert to fraction form
    1,207,422.18/1,808,143.81 = 886,813.74/x
  3. Step 3: Cross multiply
    1,207,422.18x = 1,808,143.81 × 886,813.74
  4. Step 4: Simplify right side
    1,207,422.18x = 1,603,486,772,386.92
  5. Step 5: Solve for x
    x = 1,603,486,772,386.92/1,207,422.18
  6. Step 6: Final answer
    x = 1,328,024.94

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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.