Home / 1,292,052.23-1,783,001.75-719,080.10

Finding the Fourth Proportional to 1,292,052.23, 1,783,001.75 and 719,080.10

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Solution

The fourth proportional to 1,292,052.23, 1,783,001.75 and 719,080.10 is: 992,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,052.23 : 1,783,001.75 = 719,080.10 : x
  2. Step 2: Convert to fraction form
    1,292,052.23/1,783,001.75 = 719,080.10/x
  3. Step 3: Cross multiply
    1,292,052.23x = 1,783,001.75 × 719,080.10
  4. Step 4: Simplify right side
    1,292,052.23x = 1,282,121,076,690.18
  5. Step 5: Solve for x
    x = 1,282,121,076,690.18/1,292,052.23
  6. Step 6: Final answer
    x = 992,313.66

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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.