Home / 1,313,693.28-1,812,896.37-710,081.28

Finding the Fourth Proportional to 1,313,693.28, 1,812,896.37 and 710,081.28

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Solution

The fourth proportional to 1,313,693.28, 1,812,896.37 and 710,081.28 is: 979,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,693.28 : 1,812,896.37 = 710,081.28 : x
  2. Step 2: Convert to fraction form
    1,313,693.28/1,812,896.37 = 710,081.28/x
  3. Step 3: Cross multiply
    1,313,693.28x = 1,812,896.37 × 710,081.28
  4. Step 4: Simplify right side
    1,313,693.28x = 1,287,303,774,916.95
  5. Step 5: Solve for x
    x = 1,287,303,774,916.95/1,313,693.28
  6. Step 6: Final answer
    x = 979,911.97

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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.