Home / 1,130,810.40-1,696,215.60-976,845.60

Finding the Fourth Proportional to 1,130,810.40, 1,696,215.60 and 976,845.60

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Solution

The fourth proportional to 1,130,810.40, 1,696,215.60 and 976,845.60 is: 1,465,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,810.40 : 1,696,215.60 = 976,845.60 : x
  2. Step 2: Convert to fraction form
    1,130,810.40/1,696,215.60 = 976,845.60/x
  3. Step 3: Cross multiply
    1,130,810.40x = 1,696,215.60 × 976,845.60
  4. Step 4: Simplify right side
    1,130,810.40x = 1,656,940,745,511.36
  5. Step 5: Solve for x
    x = 1,656,940,745,511.36/1,130,810.40
  6. Step 6: Final answer
    x = 1,465,268.40

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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.