Home / 1,544,240.12-2,315,570.40-645,436.60

Finding the Fourth Proportional to 1,544,240.12, 2,315,570.40 and 645,436.60

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Solution

The fourth proportional to 1,544,240.12, 2,315,570.40 and 645,436.60 is: 967,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,240.12 : 2,315,570.40 = 645,436.60 : x
  2. Step 2: Convert to fraction form
    1,544,240.12/2,315,570.40 = 645,436.60/x
  3. Step 3: Cross multiply
    1,544,240.12x = 2,315,570.40 × 645,436.60
  4. Step 4: Simplify right side
    1,544,240.12x = 1,494,553,886,036.64
  5. Step 5: Solve for x
    x = 1,494,553,886,036.64/1,544,240.12
  6. Step 6: Final answer
    x = 967,824.80

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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.