Home / 926,913.20-1,390,369.80-911,166.80

Finding the Fourth Proportional to 926,913.20, 1,390,369.80 and 911,166.80

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Solution

The fourth proportional to 926,913.20, 1,390,369.80 and 911,166.80 is: 1,366,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,913.20 : 1,390,369.80 = 911,166.80 : x
  2. Step 2: Convert to fraction form
    926,913.20/1,390,369.80 = 911,166.80/x
  3. Step 3: Cross multiply
    926,913.20x = 1,390,369.80 × 911,166.80
  4. Step 4: Simplify right side
    926,913.20x = 1,266,858,801,482.64
  5. Step 5: Solve for x
    x = 1,266,858,801,482.64/926,913.20
  6. Step 6: Final answer
    x = 1,366,750.20

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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.