Home / 1,260,326.61-1,890,480.18-313,690.95

Finding the Fourth Proportional to 1,260,326.61, 1,890,480.18 and 313,690.95

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Solution

The fourth proportional to 1,260,326.61, 1,890,480.18 and 313,690.95 is: 470,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,326.61 : 1,890,480.18 = 313,690.95 : x
  2. Step 2: Convert to fraction form
    1,260,326.61/1,890,480.18 = 313,690.95/x
  3. Step 3: Cross multiply
    1,260,326.61x = 1,890,480.18 × 313,690.95
  4. Step 4: Simplify right side
    1,260,326.61x = 593,026,523,620.37
  5. Step 5: Solve for x
    x = 593,026,523,620.37/1,260,326.61
  6. Step 6: Final answer
    x = 470,534.00

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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.