Home / 1,501,281.72-2,071,818.54-822,255.48

Finding the Fourth Proportional to 1,501,281.72, 2,071,818.54 and 822,255.48

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Solution

The fourth proportional to 1,501,281.72, 2,071,818.54 and 822,255.48 is: 1,134,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,281.72 : 2,071,818.54 = 822,255.48 : x
  2. Step 2: Convert to fraction form
    1,501,281.72/2,071,818.54 = 822,255.48/x
  3. Step 3: Cross multiply
    1,501,281.72x = 2,071,818.54 × 822,255.48
  4. Step 4: Simplify right side
    1,501,281.72x = 1,703,564,148,080.60
  5. Step 5: Solve for x
    x = 1,703,564,148,080.60/1,501,281.72
  6. Step 6: Final answer
    x = 1,134,739.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.