Home / 1,447,880.55-1,998,315-803,507.73

Finding the Fourth Proportional to 1,447,880.55, 1,998,315 and 803,507.73

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Solution

The fourth proportional to 1,447,880.55, 1,998,315 and 803,507.73 is: 1,108,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,880.55 : 1,998,315 = 803,507.73 : x
  2. Step 2: Convert to fraction form
    1,447,880.55/1,998,315 = 803,507.73/x
  3. Step 3: Cross multiply
    1,447,880.55x = 1,998,315 × 803,507.73
  4. Step 4: Simplify right side
    1,447,880.55x = 1,605,661,549,474.95
  5. Step 5: Solve for x
    x = 1,605,661,549,474.95/1,447,880.55
  6. Step 6: Final answer
    x = 1,108,973.77

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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.