Home / 920,392.44-1,270,533.44-618,761.40

Finding the Fourth Proportional to 920,392.44, 1,270,533.44 and 618,761.40

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Solution

The fourth proportional to 920,392.44, 1,270,533.44 and 618,761.40 is: 854,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,392.44 : 1,270,533.44 = 618,761.40 : x
  2. Step 2: Convert to fraction form
    920,392.44/1,270,533.44 = 618,761.40/x
  3. Step 3: Cross multiply
    920,392.44x = 1,270,533.44 × 618,761.40
  4. Step 4: Simplify right side
    920,392.44x = 786,157,050,081.22
  5. Step 5: Solve for x
    x = 786,157,050,081.22/920,392.44
  6. Step 6: Final answer
    x = 854,154.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.