Home / 823,505.40-1,237,226.40-736,900.20

Finding the Fourth Proportional to 823,505.40, 1,237,226.40 and 736,900.20

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Solution

The fourth proportional to 823,505.40, 1,237,226.40 and 736,900.20 is: 1,107,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,505.40 : 1,237,226.40 = 736,900.20 : x
  2. Step 2: Convert to fraction form
    823,505.40/1,237,226.40 = 736,900.20/x
  3. Step 3: Cross multiply
    823,505.40x = 1,237,226.40 × 736,900.20
  4. Step 4: Simplify right side
    823,505.40x = 911,712,381,605.28
  5. Step 5: Solve for x
    x = 911,712,381,605.28/823,505.40
  6. Step 6: Final answer
    x = 1,107,111.60

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1.5x scale

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.