Home / 1,079,711.12-1,490,001.48-602,783.12

Finding the Fourth Proportional to 1,079,711.12, 1,490,001.48 and 602,783.12

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Solution

The fourth proportional to 1,079,711.12, 1,490,001.48 and 602,783.12 is: 831,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,711.12 : 1,490,001.48 = 602,783.12 : x
  2. Step 2: Convert to fraction form
    1,079,711.12/1,490,001.48 = 602,783.12/x
  3. Step 3: Cross multiply
    1,079,711.12x = 1,490,001.48 × 602,783.12
  4. Step 4: Simplify right side
    1,079,711.12x = 898,147,740,919.02
  5. Step 5: Solve for x
    x = 898,147,740,919.02/1,079,711.12
  6. Step 6: Final answer
    x = 831,840.78

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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.