Home / 1,556,421.27-2,147,864.90-877,357.77

Finding the Fourth Proportional to 1,556,421.27, 2,147,864.90 and 877,357.77

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Solution

The fourth proportional to 1,556,421.27, 2,147,864.90 and 877,357.77 is: 1,210,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,421.27 : 2,147,864.90 = 877,357.77 : x
  2. Step 2: Convert to fraction form
    1,556,421.27/2,147,864.90 = 877,357.77/x
  3. Step 3: Cross multiply
    1,556,421.27x = 2,147,864.90 × 877,357.77
  4. Step 4: Simplify right side
    1,556,421.27x = 1,884,445,954,538.48
  5. Step 5: Solve for x
    x = 1,884,445,954,538.48/1,556,421.27
  6. Step 6: Final answer
    x = 1,210,755.72

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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.