Home / 926,922.70-1,390,384.05-911,176.30

Finding the Fourth Proportional to 926,922.70, 1,390,384.05 and 911,176.30

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Solution

The fourth proportional to 926,922.70, 1,390,384.05 and 911,176.30 is: 1,366,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,922.70 : 1,390,384.05 = 911,176.30 : x
  2. Step 2: Convert to fraction form
    926,922.70/1,390,384.05 = 911,176.30/x
  3. Step 3: Cross multiply
    926,922.70x = 1,390,384.05 × 911,176.30
  4. Step 4: Simplify right side
    926,922.70x = 1,266,884,994,258.02
  5. Step 5: Solve for x
    x = 1,266,884,994,258.02/926,922.70
  6. Step 6: Final answer
    x = 1,366,764.45

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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.