Home / 1,273,426.77-1,910,376.41-420,557.52

Finding the Fourth Proportional to 1,273,426.77, 1,910,376.41 and 420,557.52

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Solution

The fourth proportional to 1,273,426.77, 1,910,376.41 and 420,557.52 is: 630,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,426.77 : 1,910,376.41 = 420,557.52 : x
  2. Step 2: Convert to fraction form
    1,273,426.77/1,910,376.41 = 420,557.52/x
  3. Step 3: Cross multiply
    1,273,426.77x = 1,910,376.41 × 420,557.52
  4. Step 4: Simplify right side
    1,273,426.77x = 803,423,163,153.32
  5. Step 5: Solve for x
    x = 803,423,163,153.32/1,273,426.77
  6. Step 6: Final answer
    x = 630,914.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.