Home / 1,590,816.78-2,386,230.10-392,739.23

Finding the Fourth Proportional to 1,590,816.78, 2,386,230.10 and 392,739.23

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Solution

The fourth proportional to 1,590,816.78, 2,386,230.10 and 392,739.23 is: 589,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,816.78 : 2,386,230.10 = 392,739.23 : x
  2. Step 2: Convert to fraction form
    1,590,816.78/2,386,230.10 = 392,739.23/x
  3. Step 3: Cross multiply
    1,590,816.78x = 2,386,230.10 × 392,739.23
  4. Step 4: Simplify right side
    1,590,816.78x = 937,166,177,060.55
  5. Step 5: Solve for x
    x = 937,166,177,060.55/1,590,816.78
  6. Step 6: Final answer
    x = 589,110.07

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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.