Home / 1,556,447.50-2,147,930.36-877,384

Finding the Fourth Proportional to 1,556,447.50, 2,147,930.36 and 877,384

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Solution

The fourth proportional to 1,556,447.50, 2,147,930.36 and 877,384 is: 1,210,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,447.50 : 2,147,930.36 = 877,384 : x
  2. Step 2: Convert to fraction form
    1,556,447.50/2,147,930.36 = 877,384/x
  3. Step 3: Cross multiply
    1,556,447.50x = 2,147,930.36 × 877,384
  4. Step 4: Simplify right side
    1,556,447.50x = 1,884,559,730,978.24
  5. Step 5: Solve for x
    x = 1,884,559,730,978.24/1,556,447.50
  6. Step 6: Final answer
    x = 1,210,808.42

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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.