Home / 1,405,300.20-2,106,769.02-1,138,398.84

Finding the Fourth Proportional to 1,405,300.20, 2,106,769.02 and 1,138,398.84

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Solution

The fourth proportional to 1,405,300.20, 2,106,769.02 and 1,138,398.84 is: 1,706,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,300.20 : 2,106,769.02 = 1,138,398.84 : x
  2. Step 2: Convert to fraction form
    1,405,300.20/2,106,769.02 = 1,138,398.84/x
  3. Step 3: Cross multiply
    1,405,300.20x = 2,106,769.02 × 1,138,398.84
  4. Step 4: Simplify right side
    1,405,300.20x = 2,398,343,408,515.94
  5. Step 5: Solve for x
    x = 2,398,343,408,515.94/1,405,300.20
  6. Step 6: Final answer
    x = 1,706,641.33

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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.