Home / 1,373,533.02-2,060,891.53-742,890.78

Finding the Fourth Proportional to 1,373,533.02, 2,060,891.53 and 742,890.78

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Solution

The fourth proportional to 1,373,533.02, 2,060,891.53 and 742,890.78 is: 1,114,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,533.02 : 2,060,891.53 = 742,890.78 : x
  2. Step 2: Convert to fraction form
    1,373,533.02/2,060,891.53 = 742,890.78/x
  3. Step 3: Cross multiply
    1,373,533.02x = 2,060,891.53 × 742,890.78
  4. Step 4: Simplify right side
    1,373,533.02x = 1,531,017,316,217.09
  5. Step 5: Solve for x
    x = 1,531,017,316,217.09/1,373,533.02
  6. Step 6: Final answer
    x = 1,114,656.36

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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.