Home / 1,065,732.80-1,598,599.20-978,641.60

Finding the Fourth Proportional to 1,065,732.80, 1,598,599.20 and 978,641.60

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Solution

The fourth proportional to 1,065,732.80, 1,598,599.20 and 978,641.60 is: 1,467,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,732.80 : 1,598,599.20 = 978,641.60 : x
  2. Step 2: Convert to fraction form
    1,065,732.80/1,598,599.20 = 978,641.60/x
  3. Step 3: Cross multiply
    1,065,732.80x = 1,598,599.20 × 978,641.60
  4. Step 4: Simplify right side
    1,065,732.80x = 1,564,455,678,846.72
  5. Step 5: Solve for x
    x = 1,564,455,678,846.72/1,065,732.80
  6. Step 6: Final answer
    x = 1,467,962.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.