Home / 1,320,332.80-1,980,180.24-609,677.44

Finding the Fourth Proportional to 1,320,332.80, 1,980,180.24 and 609,677.44

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Solution

The fourth proportional to 1,320,332.80, 1,980,180.24 and 609,677.44 is: 914,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,332.80 : 1,980,180.24 = 609,677.44 : x
  2. Step 2: Convert to fraction form
    1,320,332.80/1,980,180.24 = 609,677.44/x
  3. Step 3: Cross multiply
    1,320,332.80x = 1,980,180.24 × 609,677.44
  4. Step 4: Simplify right side
    1,320,332.80x = 1,207,271,219,461.79
  5. Step 5: Solve for x
    x = 1,207,271,219,461.79/1,320,332.80
  6. Step 6: Final answer
    x = 914,368.88

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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.