Home / 909,987.40-1,364,981.10-892,272.70

Finding the Fourth Proportional to 909,987.40, 1,364,981.10 and 892,272.70

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Solution

The fourth proportional to 909,987.40, 1,364,981.10 and 892,272.70 is: 1,338,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,987.40 : 1,364,981.10 = 892,272.70 : x
  2. Step 2: Convert to fraction form
    909,987.40/1,364,981.10 = 892,272.70/x
  3. Step 3: Cross multiply
    909,987.40x = 1,364,981.10 × 892,272.70
  4. Step 4: Simplify right side
    909,987.40x = 1,217,935,371,545.97
  5. Step 5: Solve for x
    x = 1,217,935,371,545.97/909,987.40
  6. Step 6: Final answer
    x = 1,338,409.05

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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.