Home / 1,390,336.35-1,949,270.25-1,390,336.35

Finding the Fourth Proportional to 1,390,336.35, 1,949,270.25 and 1,390,336.35

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Solution

The fourth proportional to 1,390,336.35, 1,949,270.25 and 1,390,336.35 is: 1,949,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,336.35 : 1,949,270.25 = 1,390,336.35 : x
  2. Step 2: Convert to fraction form
    1,390,336.35/1,949,270.25 = 1,390,336.35/x
  3. Step 3: Cross multiply
    1,390,336.35x = 1,949,270.25 × 1,390,336.35
  4. Step 4: Simplify right side
    1,390,336.35x = 2,710,141,284,548.59
  5. Step 5: Solve for x
    x = 2,710,141,284,548.59/1,390,336.35
  6. Step 6: Final answer
    x = 1,949,270.25

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.