Home / 1,352,165.08-1,865,913.89-740,199.47

Finding the Fourth Proportional to 1,352,165.08, 1,865,913.89 and 740,199.47

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Solution

The fourth proportional to 1,352,165.08, 1,865,913.89 and 740,199.47 is: 1,021,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,165.08 : 1,865,913.89 = 740,199.47 : x
  2. Step 2: Convert to fraction form
    1,352,165.08/1,865,913.89 = 740,199.47/x
  3. Step 3: Cross multiply
    1,352,165.08x = 1,865,913.89 × 740,199.47
  4. Step 4: Simplify right side
    1,352,165.08x = 1,381,148,464,964.57
  5. Step 5: Solve for x
    x = 1,381,148,464,964.57/1,352,165.08
  6. Step 6: Final answer
    x = 1,021,434.80

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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.