Home / 1,329,426.20-1,994,430.90-655,830.20

Finding the Fourth Proportional to 1,329,426.20, 1,994,430.90 and 655,830.20

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Solution

The fourth proportional to 1,329,426.20, 1,994,430.90 and 655,830.20 is: 983,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,426.20 : 1,994,430.90 = 655,830.20 : x
  2. Step 2: Convert to fraction form
    1,329,426.20/1,994,430.90 = 655,830.20/x
  3. Step 3: Cross multiply
    1,329,426.20x = 1,994,430.90 × 655,830.20
  4. Step 4: Simplify right side
    1,329,426.20x = 1,308,008,016,033.18
  5. Step 5: Solve for x
    x = 1,308,008,016,033.18/1,329,426.20
  6. Step 6: Final answer
    x = 983,889.15

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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.