Home / 851,398.62-1,180,001.76-835,455.40

Finding the Fourth Proportional to 851,398.62, 1,180,001.76 and 835,455.40

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Solution

The fourth proportional to 851,398.62, 1,180,001.76 and 835,455.40 is: 1,157,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,398.62 : 1,180,001.76 = 835,455.40 : x
  2. Step 2: Convert to fraction form
    851,398.62/1,180,001.76 = 835,455.40/x
  3. Step 3: Cross multiply
    851,398.62x = 1,180,001.76 × 835,455.40
  4. Step 4: Simplify right side
    851,398.62x = 985,838,842,401.50
  5. Step 5: Solve for x
    x = 985,838,842,401.50/851,398.62
  6. Step 6: Final answer
    x = 1,157,905.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.