Home / 1,176,116.40-1,623,610.96-788,790.16

Finding the Fourth Proportional to 1,176,116.40, 1,623,610.96 and 788,790.16

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Solution

The fourth proportional to 1,176,116.40, 1,623,610.96 and 788,790.16 is: 1,088,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,116.40 : 1,623,610.96 = 788,790.16 : x
  2. Step 2: Convert to fraction form
    1,176,116.40/1,623,610.96 = 788,790.16/x
  3. Step 3: Cross multiply
    1,176,116.40x = 1,623,610.96 × 788,790.16
  4. Step 4: Simplify right side
    1,176,116.40x = 1,280,688,348,916.15
  5. Step 5: Solve for x
    x = 1,280,688,348,916.15/1,176,116.40
  6. Step 6: Final answer
    x = 1,088,912.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.