Home / 1,420,330.50-1,960,056-775,752.21

Finding the Fourth Proportional to 1,420,330.50, 1,960,056 and 775,752.21

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Solution

The fourth proportional to 1,420,330.50, 1,960,056 and 775,752.21 is: 1,070,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,330.50 : 1,960,056 = 775,752.21 : x
  2. Step 2: Convert to fraction form
    1,420,330.50/1,960,056 = 775,752.21/x
  3. Step 3: Cross multiply
    1,420,330.50x = 1,960,056 × 775,752.21
  4. Step 4: Simplify right side
    1,420,330.50x = 1,520,517,773,723.76
  5. Step 5: Solve for x
    x = 1,520,517,773,723.76/1,420,330.50
  6. Step 6: Final answer
    x = 1,070,538.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.