Home / 1,078,495.70-1,617,526.18-395,149.80

Finding the Fourth Proportional to 1,078,495.70, 1,617,526.18 and 395,149.80

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Solution

The fourth proportional to 1,078,495.70, 1,617,526.18 and 395,149.80 is: 592,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,495.70 : 1,617,526.18 = 395,149.80 : x
  2. Step 2: Convert to fraction form
    1,078,495.70/1,617,526.18 = 395,149.80/x
  3. Step 3: Cross multiply
    1,078,495.70x = 1,617,526.18 × 395,149.80
  4. Step 4: Simplify right side
    1,078,495.70x = 639,165,146,521.76
  5. Step 5: Solve for x
    x = 639,165,146,521.76/1,078,495.70
  6. Step 6: Final answer
    x = 592,645.06

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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.