Home / 1,140,308.88-1,710,959.40-714,819.84

Finding the Fourth Proportional to 1,140,308.88, 1,710,959.40 and 714,819.84

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Solution

The fourth proportional to 1,140,308.88, 1,710,959.40 and 714,819.84 is: 1,072,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,308.88 : 1,710,959.40 = 714,819.84 : x
  2. Step 2: Convert to fraction form
    1,140,308.88/1,710,959.40 = 714,819.84/x
  3. Step 3: Cross multiply
    1,140,308.88x = 1,710,959.40 × 714,819.84
  4. Step 4: Simplify right side
    1,140,308.88x = 1,223,027,724,554.50
  5. Step 5: Solve for x
    x = 1,223,027,724,554.50/1,140,308.88
  6. Step 6: Final answer
    x = 1,072,540.74

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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.