Home / 1,076,740.28-1,485,641.62-709,178.48

Finding the Fourth Proportional to 1,076,740.28, 1,485,641.62 and 709,178.48

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Solution

The fourth proportional to 1,076,740.28, 1,485,641.62 and 709,178.48 is: 978,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,740.28 : 1,485,641.62 = 709,178.48 : x
  2. Step 2: Convert to fraction form
    1,076,740.28/1,485,641.62 = 709,178.48/x
  3. Step 3: Cross multiply
    1,076,740.28x = 1,485,641.62 × 709,178.48
  4. Step 4: Simplify right side
    1,076,740.28x = 1,053,585,065,896.34
  5. Step 5: Solve for x
    x = 1,053,585,065,896.34/1,076,740.28
  6. Step 6: Final answer
    x = 978,495.08

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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.