Home / 1,478,921.87-2,041,005.51-834,106.79

Finding the Fourth Proportional to 1,478,921.87, 2,041,005.51 and 834,106.79

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Solution

The fourth proportional to 1,478,921.87, 2,041,005.51 and 834,106.79 is: 1,151,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,921.87 : 2,041,005.51 = 834,106.79 : x
  2. Step 2: Convert to fraction form
    1,478,921.87/2,041,005.51 = 834,106.79/x
  3. Step 3: Cross multiply
    1,478,921.87x = 2,041,005.51 × 834,106.79
  4. Step 4: Simplify right side
    1,478,921.87x = 1,702,416,544,113.39
  5. Step 5: Solve for x
    x = 1,702,416,544,113.39/1,478,921.87
  6. Step 6: Final answer
    x = 1,151,120.00

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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.