Home / 1,022,484.71-1,410,510.35-780,346.91

Finding the Fourth Proportional to 1,022,484.71, 1,410,510.35 and 780,346.91

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Solution

The fourth proportional to 1,022,484.71, 1,410,510.35 and 780,346.91 is: 1,076,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,484.71 : 1,410,510.35 = 780,346.91 : x
  2. Step 2: Convert to fraction form
    1,022,484.71/1,410,510.35 = 780,346.91/x
  3. Step 3: Cross multiply
    1,022,484.71x = 1,410,510.35 × 780,346.91
  4. Step 4: Simplify right side
    1,022,484.71x = 1,100,687,382,191.23
  5. Step 5: Solve for x
    x = 1,100,687,382,191.23/1,022,484.71
  6. Step 6: Final answer
    x = 1,076,482.97

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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.