Home / 1,109,218.04-1,664,412.86-787,087.66

Finding the Fourth Proportional to 1,109,218.04, 1,664,412.86 and 787,087.66

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Solution

The fourth proportional to 1,109,218.04, 1,664,412.86 and 787,087.66 is: 1,181,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,218.04 : 1,664,412.86 = 787,087.66 : x
  2. Step 2: Convert to fraction form
    1,109,218.04/1,664,412.86 = 787,087.66/x
  3. Step 3: Cross multiply
    1,109,218.04x = 1,664,412.86 × 787,087.66
  4. Step 4: Simplify right side
    1,109,218.04x = 1,310,038,827,412.34
  5. Step 5: Solve for x
    x = 1,310,038,827,412.34/1,109,218.04
  6. Step 6: Final answer
    x = 1,181,047.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.