Home / 1,334,038.80-2,002,370.40-660,880.20

Finding the Fourth Proportional to 1,334,038.80, 2,002,370.40 and 660,880.20

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Solution

The fourth proportional to 1,334,038.80, 2,002,370.40 and 660,880.20 is: 991,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,038.80 : 2,002,370.40 = 660,880.20 : x
  2. Step 2: Convert to fraction form
    1,334,038.80/2,002,370.40 = 660,880.20/x
  3. Step 3: Cross multiply
    1,334,038.80x = 2,002,370.40 × 660,880.20
  4. Step 4: Simplify right side
    1,334,038.80x = 1,323,326,950,426.08
  5. Step 5: Solve for x
    x = 1,323,326,950,426.08/1,334,038.80
  6. Step 6: Final answer
    x = 991,970.36

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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.