Home / 909,724.70-1,364,915.10-876,919.70

Finding the Fourth Proportional to 909,724.70, 1,364,915.10 and 876,919.70

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Solution

The fourth proportional to 909,724.70, 1,364,915.10 and 876,919.70 is: 1,315,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,724.70 : 1,364,915.10 = 876,919.70 : x
  2. Step 2: Convert to fraction form
    909,724.70/1,364,915.10 = 876,919.70/x
  3. Step 3: Cross multiply
    909,724.70x = 1,364,915.10 × 876,919.70
  4. Step 4: Simplify right side
    909,724.70x = 1,196,920,940,017.47
  5. Step 5: Solve for x
    x = 1,196,920,940,017.47/909,724.70
  6. Step 6: Final answer
    x = 1,315,695.77

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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.