Home / 1,091,364.80-1,637,226.40-343,230.40

Finding the Fourth Proportional to 1,091,364.80, 1,637,226.40 and 343,230.40

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Solution

The fourth proportional to 1,091,364.80, 1,637,226.40 and 343,230.40 is: 514,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,364.80 : 1,637,226.40 = 343,230.40 : x
  2. Step 2: Convert to fraction form
    1,091,364.80/1,637,226.40 = 343,230.40/x
  3. Step 3: Cross multiply
    1,091,364.80x = 1,637,226.40 × 343,230.40
  4. Step 4: Simplify right side
    1,091,364.80x = 561,945,872,162.56
  5. Step 5: Solve for x
    x = 561,945,872,162.56/1,091,364.80
  6. Step 6: Final answer
    x = 514,901.96

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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.