Home / 1,447,309.55-1,995,980.21-903,495.80

Finding the Fourth Proportional to 1,447,309.55, 1,995,980.21 and 903,495.80

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Solution

The fourth proportional to 1,447,309.55, 1,995,980.21 and 903,495.80 is: 1,246,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,309.55 : 1,995,980.21 = 903,495.80 : x
  2. Step 2: Convert to fraction form
    1,447,309.55/1,995,980.21 = 903,495.80/x
  3. Step 3: Cross multiply
    1,447,309.55x = 1,995,980.21 × 903,495.80
  4. Step 4: Simplify right side
    1,447,309.55x = 1,803,359,736,618.12
  5. Step 5: Solve for x
    x = 1,803,359,736,618.12/1,447,309.55
  6. Step 6: Final answer
    x = 1,246,008.32

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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.