Home / 1,791,740.40-2,688,388.20-905,276.40

Finding the Fourth Proportional to 1,791,740.40, 2,688,388.20 and 905,276.40

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Solution

The fourth proportional to 1,791,740.40, 2,688,388.20 and 905,276.40 is: 1,358,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,740.40 : 2,688,388.20 = 905,276.40 : x
  2. Step 2: Convert to fraction form
    1,791,740.40/2,688,388.20 = 905,276.40/x
  3. Step 3: Cross multiply
    1,791,740.40x = 2,688,388.20 × 905,276.40
  4. Step 4: Simplify right side
    1,791,740.40x = 2,433,734,391,498.48
  5. Step 5: Solve for x
    x = 2,433,734,391,498.48/1,791,740.40
  6. Step 6: Final answer
    x = 1,358,307.48

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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.