Home / 1,320,738.47-1,980,298.04-562,147.95

Finding the Fourth Proportional to 1,320,738.47, 1,980,298.04 and 562,147.95

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Solution

The fourth proportional to 1,320,738.47, 1,980,298.04 and 562,147.95 is: 842,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,738.47 : 1,980,298.04 = 562,147.95 : x
  2. Step 2: Convert to fraction form
    1,320,738.47/1,980,298.04 = 562,147.95/x
  3. Step 3: Cross multiply
    1,320,738.47x = 1,980,298.04 × 562,147.95
  4. Step 4: Simplify right side
    1,320,738.47x = 1,113,220,484,980.39
  5. Step 5: Solve for x
    x = 1,113,220,484,980.39/1,320,738.47
  6. Step 6: Final answer
    x = 842,877.31

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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.