Home / 1,029,484.12-1,420,768.56-662,289.16

Finding the Fourth Proportional to 1,029,484.12, 1,420,768.56 and 662,289.16

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Solution

The fourth proportional to 1,029,484.12, 1,420,768.56 and 662,289.16 is: 914,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,484.12 : 1,420,768.56 = 662,289.16 : x
  2. Step 2: Convert to fraction form
    1,029,484.12/1,420,768.56 = 662,289.16/x
  3. Step 3: Cross multiply
    1,029,484.12x = 1,420,768.56 × 662,289.16
  4. Step 4: Simplify right side
    1,029,484.12x = 940,959,616,156.81
  5. Step 5: Solve for x
    x = 940,959,616,156.81/1,029,484.12
  6. Step 6: Final answer
    x = 914,010.81

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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.