Home / 1,144,039.31-1,578,792.67-660,646.70

Finding the Fourth Proportional to 1,144,039.31, 1,578,792.67 and 660,646.70

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Solution

The fourth proportional to 1,144,039.31, 1,578,792.67 and 660,646.70 is: 911,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,039.31 : 1,578,792.67 = 660,646.70 : x
  2. Step 2: Convert to fraction form
    1,144,039.31/1,578,792.67 = 660,646.70/x
  3. Step 3: Cross multiply
    1,144,039.31x = 1,578,792.67 × 660,646.70
  4. Step 4: Simplify right side
    1,144,039.31x = 1,043,024,163,794.58
  5. Step 5: Solve for x
    x = 1,043,024,163,794.58/1,144,039.31
  6. Step 6: Final answer
    x = 911,703.08

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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.