Home / 1,587,437.46-2,190,662.02-862,285.76

Finding the Fourth Proportional to 1,587,437.46, 2,190,662.02 and 862,285.76

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Solution

The fourth proportional to 1,587,437.46, 2,190,662.02 and 862,285.76 is: 1,189,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,437.46 : 2,190,662.02 = 862,285.76 : x
  2. Step 2: Convert to fraction form
    1,587,437.46/2,190,662.02 = 862,285.76/x
  3. Step 3: Cross multiply
    1,587,437.46x = 2,190,662.02 × 862,285.76
  4. Step 4: Simplify right side
    1,587,437.46x = 1,888,976,664,818.84
  5. Step 5: Solve for x
    x = 1,888,976,664,818.84/1,587,437.46
  6. Step 6: Final answer
    x = 1,189,953.44

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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.