Home / 1,313,747.51-1,812,970.76-710,135.51

Finding the Fourth Proportional to 1,313,747.51, 1,812,970.76 and 710,135.51

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Solution

The fourth proportional to 1,313,747.51, 1,812,970.76 and 710,135.51 is: 979,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,747.51 : 1,812,970.76 = 710,135.51 : x
  2. Step 2: Convert to fraction form
    1,313,747.51/1,812,970.76 = 710,135.51/x
  3. Step 3: Cross multiply
    1,313,747.51x = 1,812,970.76 × 710,135.51
  4. Step 4: Simplify right side
    1,313,747.51x = 1,287,454,902,652.16
  5. Step 5: Solve for x
    x = 1,287,454,902,652.16/1,313,747.51
  6. Step 6: Final answer
    x = 979,986.56

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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.