Home / 1,334,048.80-2,002,385.40-660,890.20

Finding the Fourth Proportional to 1,334,048.80, 2,002,385.40 and 660,890.20

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Solution

The fourth proportional to 1,334,048.80, 2,002,385.40 and 660,890.20 is: 991,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,048.80 : 2,002,385.40 = 660,890.20 : x
  2. Step 2: Convert to fraction form
    1,334,048.80/2,002,385.40 = 660,890.20/x
  3. Step 3: Cross multiply
    1,334,048.80x = 2,002,385.40 × 660,890.20
  4. Step 4: Simplify right side
    1,334,048.80x = 1,323,356,887,483.08
  5. Step 5: Solve for x
    x = 1,323,356,887,483.08/1,334,048.80
  6. Step 6: Final answer
    x = 991,985.37

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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.