Home / 1,324,703.85-1,828,329.88-780,807.89

Finding the Fourth Proportional to 1,324,703.85, 1,828,329.88 and 780,807.89

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Solution

The fourth proportional to 1,324,703.85, 1,828,329.88 and 780,807.89 is: 1,077,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,703.85 : 1,828,329.88 = 780,807.89 : x
  2. Step 2: Convert to fraction form
    1,324,703.85/1,828,329.88 = 780,807.89/x
  3. Step 3: Cross multiply
    1,324,703.85x = 1,828,329.88 × 780,807.89
  4. Step 4: Simplify right side
    1,324,703.85x = 1,427,574,386,685.10
  5. Step 5: Solve for x
    x = 1,427,574,386,685.10/1,324,703.85
  6. Step 6: Final answer
    x = 1,077,655.50

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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.