Home / 1,556,412.12-2,147,829.48-877,348.62

Finding the Fourth Proportional to 1,556,412.12, 2,147,829.48 and 877,348.62

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Solution

The fourth proportional to 1,556,412.12, 2,147,829.48 and 877,348.62 is: 1,210,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,412.12 : 2,147,829.48 = 877,348.62 : x
  2. Step 2: Convert to fraction form
    1,556,412.12/2,147,829.48 = 877,348.62/x
  3. Step 3: Cross multiply
    1,556,412.12x = 2,147,829.48 × 877,348.62
  4. Step 4: Simplify right side
    1,556,412.12x = 1,884,395,230,273.32
  5. Step 5: Solve for x
    x = 1,884,395,230,273.32/1,556,412.12
  6. Step 6: Final answer
    x = 1,210,730.25

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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.