Home / 1,135,703.80-1,703,555.70-1,065,719.80

Finding the Fourth Proportional to 1,135,703.80, 1,703,555.70 and 1,065,719.80

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Solution

The fourth proportional to 1,135,703.80, 1,703,555.70 and 1,065,719.80 is: 1,598,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,703.80 : 1,703,555.70 = 1,065,719.80 : x
  2. Step 2: Convert to fraction form
    1,135,703.80/1,703,555.70 = 1,065,719.80/x
  3. Step 3: Cross multiply
    1,135,703.80x = 1,703,555.70 × 1,065,719.80
  4. Step 4: Simplify right side
    1,135,703.80x = 1,815,513,039,892.86
  5. Step 5: Solve for x
    x = 1,815,513,039,892.86/1,135,703.80
  6. Step 6: Final answer
    x = 1,598,579.70

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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.