Home / 1,029,751.72-1,421,724.40-662,393.14

Finding the Fourth Proportional to 1,029,751.72, 1,421,724.40 and 662,393.14

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Solution

The fourth proportional to 1,029,751.72, 1,421,724.40 and 662,393.14 is: 914,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,751.72 : 1,421,724.40 = 662,393.14 : x
  2. Step 2: Convert to fraction form
    1,029,751.72/1,421,724.40 = 662,393.14/x
  3. Step 3: Cross multiply
    1,029,751.72x = 1,421,724.40 × 662,393.14
  4. Step 4: Simplify right side
    1,029,751.72x = 941,740,484,320.32
  5. Step 5: Solve for x
    x = 941,740,484,320.32/1,029,751.72
  6. Step 6: Final answer
    x = 914,531.60

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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.