Home / 1,447,310.55-1,995,981.59-903,496.80

Finding the Fourth Proportional to 1,447,310.55, 1,995,981.59 and 903,496.80

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Solution

The fourth proportional to 1,447,310.55, 1,995,981.59 and 903,496.80 is: 1,246,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,310.55 : 1,995,981.59 = 903,496.80 : x
  2. Step 2: Convert to fraction form
    1,447,310.55/1,995,981.59 = 903,496.80/x
  3. Step 3: Cross multiply
    1,447,310.55x = 1,995,981.59 × 903,496.80
  4. Step 4: Simplify right side
    1,447,310.55x = 1,803,362,979,423.91
  5. Step 5: Solve for x
    x = 1,803,362,979,423.91/1,447,310.55
  6. Step 6: Final answer
    x = 1,246,009.70

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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.