Home / 1,069,727.76-1,604,579.31-260,116.74

Finding the Fourth Proportional to 1,069,727.76, 1,604,579.31 and 260,116.74

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Solution

The fourth proportional to 1,069,727.76, 1,604,579.31 and 260,116.74 is: 390,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,727.76 : 1,604,579.31 = 260,116.74 : x
  2. Step 2: Convert to fraction form
    1,069,727.76/1,604,579.31 = 260,116.74/x
  3. Step 3: Cross multiply
    1,069,727.76x = 1,604,579.31 × 260,116.74
  4. Step 4: Simplify right side
    1,069,727.76x = 417,377,939,188.65
  5. Step 5: Solve for x
    x = 417,377,939,188.65/1,069,727.76
  6. Step 6: Final answer
    x = 390,172.11

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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.