Home / 1,106,712.40-1,658,756.40-993,863.20

Finding the Fourth Proportional to 1,106,712.40, 1,658,756.40 and 993,863.20

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Solution

The fourth proportional to 1,106,712.40, 1,658,756.40 and 993,863.20 is: 1,489,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,712.40 : 1,658,756.40 = 993,863.20 : x
  2. Step 2: Convert to fraction form
    1,106,712.40/1,658,756.40 = 993,863.20/x
  3. Step 3: Cross multiply
    1,106,712.40x = 1,658,756.40 × 993,863.20
  4. Step 4: Simplify right side
    1,106,712.40x = 1,648,576,943,724.48
  5. Step 5: Solve for x
    x = 1,648,576,943,724.48/1,106,712.40
  6. Step 6: Final answer
    x = 1,489,616.40

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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.