Home / 1,656,320.25-2,484,480.55-519,082.31

Finding the Fourth Proportional to 1,656,320.25, 2,484,480.55 and 519,082.31

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Solution

The fourth proportional to 1,656,320.25, 2,484,480.55 and 519,082.31 is: 778,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,320.25 : 2,484,480.55 = 519,082.31 : x
  2. Step 2: Convert to fraction form
    1,656,320.25/2,484,480.55 = 519,082.31/x
  3. Step 3: Cross multiply
    1,656,320.25x = 2,484,480.55 × 519,082.31
  4. Step 4: Simplify right side
    1,656,320.25x = 1,289,649,889,323.96
  5. Step 5: Solve for x
    x = 1,289,649,889,323.96/1,656,320.25
  6. Step 6: Final answer
    x = 778,623.51

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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.