Home / 911,054.40-1,366,581.60-867,508.80

Finding the Fourth Proportional to 911,054.40, 1,366,581.60 and 867,508.80

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Solution

The fourth proportional to 911,054.40, 1,366,581.60 and 867,508.80 is: 1,301,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,054.40 : 1,366,581.60 = 867,508.80 : x
  2. Step 2: Convert to fraction form
    911,054.40/1,366,581.60 = 867,508.80/x
  3. Step 3: Cross multiply
    911,054.40x = 1,366,581.60 × 867,508.80
  4. Step 4: Simplify right side
    911,054.40x = 1,185,521,563,918.08
  5. Step 5: Solve for x
    x = 1,185,521,563,918.08/911,054.40
  6. Step 6: Final answer
    x = 1,301,263.20

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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.