Home / 1,293,147.02-1,784,598.26-720,187.19

Finding the Fourth Proportional to 1,293,147.02, 1,784,598.26 and 720,187.19

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Solution

The fourth proportional to 1,293,147.02, 1,784,598.26 and 720,187.19 is: 993,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,147.02 : 1,784,598.26 = 720,187.19 : x
  2. Step 2: Convert to fraction form
    1,293,147.02/1,784,598.26 = 720,187.19/x
  3. Step 3: Cross multiply
    1,293,147.02x = 1,784,598.26 × 720,187.19
  4. Step 4: Simplify right side
    1,293,147.02x = 1,285,244,802,547.35
  5. Step 5: Solve for x
    x = 1,285,244,802,547.35/1,293,147.02
  6. Step 6: Final answer
    x = 993,889.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.