Home / 1,021,196.08-1,531,341.42-389,668.24

Finding the Fourth Proportional to 1,021,196.08, 1,531,341.42 and 389,668.24

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Solution

The fourth proportional to 1,021,196.08, 1,531,341.42 and 389,668.24 is: 584,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,196.08 : 1,531,341.42 = 389,668.24 : x
  2. Step 2: Convert to fraction form
    1,021,196.08/1,531,341.42 = 389,668.24/x
  3. Step 3: Cross multiply
    1,021,196.08x = 1,531,341.42 × 389,668.24
  4. Step 4: Simplify right side
    1,021,196.08x = 596,715,115,970.50
  5. Step 5: Solve for x
    x = 596,715,115,970.50/1,021,196.08
  6. Step 6: Final answer
    x = 584,329.62

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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.