Home / 1,472,592.69-2,208,642.99-407,742.39

Finding the Fourth Proportional to 1,472,592.69, 2,208,642.99 and 407,742.39

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Solution

The fourth proportional to 1,472,592.69, 2,208,642.99 and 407,742.39 is: 611,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,592.69 : 2,208,642.99 = 407,742.39 : x
  2. Step 2: Convert to fraction form
    1,472,592.69/2,208,642.99 = 407,742.39/x
  3. Step 3: Cross multiply
    1,472,592.69x = 2,208,642.99 × 407,742.39
  4. Step 4: Simplify right side
    1,472,592.69x = 900,557,371,399.35
  5. Step 5: Solve for x
    x = 900,557,371,399.35/1,472,592.69
  6. Step 6: Final answer
    x = 611,545.46

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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.