Home / 1,336,701.60-2,005,544.48-438,172.65

Finding the Fourth Proportional to 1,336,701.60, 2,005,544.48 and 438,172.65

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Solution

The fourth proportional to 1,336,701.60, 2,005,544.48 and 438,172.65 is: 657,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,701.60 : 2,005,544.48 = 438,172.65 : x
  2. Step 2: Convert to fraction form
    1,336,701.60/2,005,544.48 = 438,172.65/x
  3. Step 3: Cross multiply
    1,336,701.60x = 2,005,544.48 × 438,172.65
  4. Step 4: Simplify right side
    1,336,701.60x = 878,774,737,303.61
  5. Step 5: Solve for x
    x = 878,774,737,303.61/1,336,701.60
  6. Step 6: Final answer
    x = 657,420.28

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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.