Home / 1,170,088.90-1,755,133.35-1,091,356.90

Finding the Fourth Proportional to 1,170,088.90, 1,755,133.35 and 1,091,356.90

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Solution

The fourth proportional to 1,170,088.90, 1,755,133.35 and 1,091,356.90 is: 1,637,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,088.90 : 1,755,133.35 = 1,091,356.90 : x
  2. Step 2: Convert to fraction form
    1,170,088.90/1,755,133.35 = 1,091,356.90/x
  3. Step 3: Cross multiply
    1,170,088.90x = 1,755,133.35 × 1,091,356.90
  4. Step 4: Simplify right side
    1,170,088.90x = 1,915,476,891,942.62
  5. Step 5: Solve for x
    x = 1,915,476,891,942.62/1,170,088.90
  6. Step 6: Final answer
    x = 1,637,035.35

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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.