Home / 1,341,356.15-2,011,607.46-442,630.37

Finding the Fourth Proportional to 1,341,356.15, 2,011,607.46 and 442,630.37

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Solution

The fourth proportional to 1,341,356.15, 2,011,607.46 and 442,630.37 is: 663,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,356.15 : 2,011,607.46 = 442,630.37 : x
  2. Step 2: Convert to fraction form
    1,341,356.15/2,011,607.46 = 442,630.37/x
  3. Step 3: Cross multiply
    1,341,356.15x = 2,011,607.46 × 442,630.37
  4. Step 4: Simplify right side
    1,341,356.15x = 890,398,559,343.58
  5. Step 5: Solve for x
    x = 890,398,559,343.58/1,341,356.15
  6. Step 6: Final answer
    x = 663,804.73

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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.