Home / 1,311,560.79-1,809,957.98-760,383.93

Finding the Fourth Proportional to 1,311,560.79, 1,809,957.98 and 760,383.93

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Solution

The fourth proportional to 1,311,560.79, 1,809,957.98 and 760,383.93 is: 1,049,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,560.79 : 1,809,957.98 = 760,383.93 : x
  2. Step 2: Convert to fraction form
    1,311,560.79/1,809,957.98 = 760,383.93/x
  3. Step 3: Cross multiply
    1,311,560.79x = 1,809,957.98 × 760,383.93
  4. Step 4: Simplify right side
    1,311,560.79x = 1,376,262,961,967.26
  5. Step 5: Solve for x
    x = 1,376,262,961,967.26/1,311,560.79
  6. Step 6: Final answer
    x = 1,049,332.19

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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.