Home / 1,077,840.80-1,614,428.40-578,621.60

Finding the Fourth Proportional to 1,077,840.80, 1,614,428.40 and 578,621.60

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Solution

The fourth proportional to 1,077,840.80, 1,614,428.40 and 578,621.60 is: 866,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,840.80 : 1,614,428.40 = 578,621.60 : x
  2. Step 2: Convert to fraction form
    1,077,840.80/1,614,428.40 = 578,621.60/x
  3. Step 3: Cross multiply
    1,077,840.80x = 1,614,428.40 × 578,621.60
  4. Step 4: Simplify right side
    1,077,840.80x = 934,143,143,893.44
  5. Step 5: Solve for x
    x = 934,143,143,893.44/1,077,840.80
  6. Step 6: Final answer
    x = 866,680.07

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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.