Home / 1,615,671.41-2,423,499.80-417,491.87

Finding the Fourth Proportional to 1,615,671.41, 2,423,499.80 and 417,491.87

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Solution

The fourth proportional to 1,615,671.41, 2,423,499.80 and 417,491.87 is: 626,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,671.41 : 2,423,499.80 = 417,491.87 : x
  2. Step 2: Convert to fraction form
    1,615,671.41/2,423,499.80 = 417,491.87/x
  3. Step 3: Cross multiply
    1,615,671.41x = 2,423,499.80 × 417,491.87
  4. Step 4: Simplify right side
    1,615,671.41x = 1,011,791,449,241.67
  5. Step 5: Solve for x
    x = 1,011,791,449,241.67/1,615,671.41
  6. Step 6: Final answer
    x = 626,235.91

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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.