Home / 1,087,054.80-1,630,582.20-838,222.80

Finding the Fourth Proportional to 1,087,054.80, 1,630,582.20 and 838,222.80

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Solution

The fourth proportional to 1,087,054.80, 1,630,582.20 and 838,222.80 is: 1,257,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,054.80 : 1,630,582.20 = 838,222.80 : x
  2. Step 2: Convert to fraction form
    1,087,054.80/1,630,582.20 = 838,222.80/x
  3. Step 3: Cross multiply
    1,087,054.80x = 1,630,582.20 × 838,222.80
  4. Step 4: Simplify right side
    1,087,054.80x = 1,366,791,177,314.16
  5. Step 5: Solve for x
    x = 1,366,791,177,314.16/1,087,054.80
  6. Step 6: Final answer
    x = 1,257,334.20

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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.