Home / 1,390,349.70-2,085,524.55-965,196.90

Finding the Fourth Proportional to 1,390,349.70, 2,085,524.55 and 965,196.90

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Solution

The fourth proportional to 1,390,349.70, 2,085,524.55 and 965,196.90 is: 1,447,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,349.70 : 2,085,524.55 = 965,196.90 : x
  2. Step 2: Convert to fraction form
    1,390,349.70/2,085,524.55 = 965,196.90/x
  3. Step 3: Cross multiply
    1,390,349.70x = 2,085,524.55 × 965,196.90
  4. Step 4: Simplify right side
    1,390,349.70x = 2,012,941,830,533.90
  5. Step 5: Solve for x
    x = 2,012,941,830,533.90/1,390,349.70
  6. Step 6: Final answer
    x = 1,447,795.35

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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.