Home / 1,069,676.65-1,604,502.60-260,065.66

Finding the Fourth Proportional to 1,069,676.65, 1,604,502.60 and 260,065.66

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Solution

The fourth proportional to 1,069,676.65, 1,604,502.60 and 260,065.66 is: 390,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,676.65 : 1,604,502.60 = 260,065.66 : x
  2. Step 2: Convert to fraction form
    1,069,676.65/1,604,502.60 = 260,065.66/x
  3. Step 3: Cross multiply
    1,069,676.65x = 1,604,502.60 × 260,065.66
  4. Step 4: Simplify right side
    1,069,676.65x = 417,276,027,640.72
  5. Step 5: Solve for x
    x = 417,276,027,640.72/1,069,676.65
  6. Step 6: Final answer
    x = 390,095.48

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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.