Home / 1,330,280.20-1,994,108.10-655,809.40

Finding the Fourth Proportional to 1,330,280.20, 1,994,108.10 and 655,809.40

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Solution

The fourth proportional to 1,330,280.20, 1,994,108.10 and 655,809.40 is: 983,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,280.20 : 1,994,108.10 = 655,809.40 : x
  2. Step 2: Convert to fraction form
    1,330,280.20/1,994,108.10 = 655,809.40/x
  3. Step 3: Cross multiply
    1,330,280.20x = 1,994,108.10 × 655,809.40
  4. Step 4: Simplify right side
    1,330,280.20x = 1,307,754,836,596.14
  5. Step 5: Solve for x
    x = 1,307,754,836,596.14/1,330,280.20
  6. Step 6: Final answer
    x = 983,067.20

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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.