Home / 1,255,621.61-1,733,071.69-771,906.50

Finding the Fourth Proportional to 1,255,621.61, 1,733,071.69 and 771,906.50

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Solution

The fourth proportional to 1,255,621.61, 1,733,071.69 and 771,906.50 is: 1,065,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,621.61 : 1,733,071.69 = 771,906.50 : x
  2. Step 2: Convert to fraction form
    1,255,621.61/1,733,071.69 = 771,906.50/x
  3. Step 3: Cross multiply
    1,255,621.61x = 1,733,071.69 × 771,906.50
  4. Step 4: Simplify right side
    1,255,621.61x = 1,337,769,298,144.31
  5. Step 5: Solve for x
    x = 1,337,769,298,144.31/1,255,621.61
  6. Step 6: Final answer
    x = 1,065,423.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.