Home / 1,377,109.80-2,065,956.30-417,486.60

Finding the Fourth Proportional to 1,377,109.80, 2,065,956.30 and 417,486.60

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Solution

The fourth proportional to 1,377,109.80, 2,065,956.30 and 417,486.60 is: 626,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,109.80 : 2,065,956.30 = 417,486.60 : x
  2. Step 2: Convert to fraction form
    1,377,109.80/2,065,956.30 = 417,486.60/x
  3. Step 3: Cross multiply
    1,377,109.80x = 2,065,956.30 × 417,486.60
  4. Step 4: Simplify right side
    1,377,109.80x = 862,509,071,435.58
  5. Step 5: Solve for x
    x = 862,509,071,435.58/1,377,109.80
  6. Step 6: Final answer
    x = 626,318.30

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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.