Home / 1,590,821.10-2,386,236.54-392,743.54

Finding the Fourth Proportional to 1,590,821.10, 2,386,236.54 and 392,743.54

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Solution

The fourth proportional to 1,590,821.10, 2,386,236.54 and 392,743.54 is: 589,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,821.10 : 2,386,236.54 = 392,743.54 : x
  2. Step 2: Convert to fraction form
    1,590,821.10/2,386,236.54 = 392,743.54/x
  3. Step 3: Cross multiply
    1,590,821.10x = 2,386,236.54 × 392,743.54
  4. Step 4: Simplify right side
    1,590,821.10x = 937,178,985,996.95
  5. Step 5: Solve for x
    x = 937,178,985,996.95/1,590,821.10
  6. Step 6: Final answer
    x = 589,116.52

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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.