Home / 1,425,395.24-1,967,045.77-780,838.35

Finding the Fourth Proportional to 1,425,395.24, 1,967,045.77 and 780,838.35

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Solution

The fourth proportional to 1,425,395.24, 1,967,045.77 and 780,838.35 is: 1,077,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,395.24 : 1,967,045.77 = 780,838.35 : x
  2. Step 2: Convert to fraction form
    1,425,395.24/1,967,045.77 = 780,838.35/x
  3. Step 3: Cross multiply
    1,425,395.24x = 1,967,045.77 × 780,838.35
  4. Step 4: Simplify right side
    1,425,395.24x = 1,535,944,767,020.91
  5. Step 5: Solve for x
    x = 1,535,944,767,020.91/1,425,395.24
  6. Step 6: Final answer
    x = 1,077,557.11

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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.