Home / 1,905,397.50-2,858,657.70-767,574.17

Finding the Fourth Proportional to 1,905,397.50, 2,858,657.70 and 767,574.17

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Solution

The fourth proportional to 1,905,397.50, 2,858,657.70 and 767,574.17 is: 1,151,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,397.50 : 2,858,657.70 = 767,574.17 : x
  2. Step 2: Convert to fraction form
    1,905,397.50/2,858,657.70 = 767,574.17/x
  3. Step 3: Cross multiply
    1,905,397.50x = 2,858,657.70 × 767,574.17
  4. Step 4: Simplify right side
    1,905,397.50x = 2,194,231,820,300.23
  5. Step 5: Solve for x
    x = 2,194,231,820,300.23/1,905,397.50
  6. Step 6: Final answer
    x = 1,151,587.43

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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.