Home / 1,185,250.40-1,777,875.60-870,322.40

Finding the Fourth Proportional to 1,185,250.40, 1,777,875.60 and 870,322.40

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Solution

The fourth proportional to 1,185,250.40, 1,777,875.60 and 870,322.40 is: 1,305,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,250.40 : 1,777,875.60 = 870,322.40 : x
  2. Step 2: Convert to fraction form
    1,185,250.40/1,777,875.60 = 870,322.40/x
  3. Step 3: Cross multiply
    1,185,250.40x = 1,777,875.60 × 870,322.40
  4. Step 4: Simplify right side
    1,185,250.40x = 1,547,324,959,093.44
  5. Step 5: Solve for x
    x = 1,547,324,959,093.44/1,185,250.40
  6. Step 6: Final answer
    x = 1,305,483.60

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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.