Home / 1,489,336.61-2,055,197.63-835,901.92

Finding the Fourth Proportional to 1,489,336.61, 2,055,197.63 and 835,901.92

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Solution

The fourth proportional to 1,489,336.61, 2,055,197.63 and 835,901.92 is: 1,153,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,336.61 : 2,055,197.63 = 835,901.92 : x
  2. Step 2: Convert to fraction form
    1,489,336.61/2,055,197.63 = 835,901.92/x
  3. Step 3: Cross multiply
    1,489,336.61x = 2,055,197.63 × 835,901.92
  4. Step 4: Simplify right side
    1,489,336.61x = 1,717,943,630,440.95
  5. Step 5: Solve for x
    x = 1,717,943,630,440.95/1,489,336.61
  6. Step 6: Final answer
    x = 1,153,495.87

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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.