Home / 1,501,688.76-2,072,330.86-822,649.40

Finding the Fourth Proportional to 1,501,688.76, 2,072,330.86 and 822,649.40

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Solution

The fourth proportional to 1,501,688.76, 2,072,330.86 and 822,649.40 is: 1,135,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,688.76 : 2,072,330.86 = 822,649.40 : x
  2. Step 2: Convert to fraction form
    1,501,688.76/2,072,330.86 = 822,649.40/x
  3. Step 3: Cross multiply
    1,501,688.76x = 2,072,330.86 × 822,649.40
  4. Step 4: Simplify right side
    1,501,688.76x = 1,704,801,738,580.48
  5. Step 5: Solve for x
    x = 1,704,801,738,580.48/1,501,688.76
  6. Step 6: Final answer
    x = 1,135,256.38

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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.