Home / 1,285,057.47-1,927,336.98-486,401.32

Finding the Fourth Proportional to 1,285,057.47, 1,927,336.98 and 486,401.32

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Solution

The fourth proportional to 1,285,057.47, 1,927,336.98 and 486,401.32 is: 729,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,057.47 : 1,927,336.98 = 486,401.32 : x
  2. Step 2: Convert to fraction form
    1,285,057.47/1,927,336.98 = 486,401.32/x
  3. Step 3: Cross multiply
    1,285,057.47x = 1,927,336.98 × 486,401.32
  4. Step 4: Simplify right side
    1,285,057.47x = 937,459,255,389.99
  5. Step 5: Solve for x
    x = 937,459,255,389.99/1,285,057.47
  6. Step 6: Final answer
    x = 729,507.65

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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.