Home / 909,969.40-1,364,954.10-892,254.70

Finding the Fourth Proportional to 909,969.40, 1,364,954.10 and 892,254.70

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Solution

The fourth proportional to 909,969.40, 1,364,954.10 and 892,254.70 is: 1,338,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,969.40 : 1,364,954.10 = 892,254.70 : x
  2. Step 2: Convert to fraction form
    909,969.40/1,364,954.10 = 892,254.70/x
  3. Step 3: Cross multiply
    909,969.40x = 1,364,954.10 × 892,254.70
  4. Step 4: Simplify right side
    909,969.40x = 1,217,886,711,009.27
  5. Step 5: Solve for x
    x = 1,217,886,711,009.27/909,969.40
  6. Step 6: Final answer
    x = 1,338,382.05

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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.