Home / 1,556,424.65-2,147,869.55-877,361.15

Finding the Fourth Proportional to 1,556,424.65, 2,147,869.55 and 877,361.15

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Solution

The fourth proportional to 1,556,424.65, 2,147,869.55 and 877,361.15 is: 1,210,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,424.65 : 2,147,869.55 = 877,361.15 : x
  2. Step 2: Convert to fraction form
    1,556,424.65/2,147,869.55 = 877,361.15/x
  3. Step 3: Cross multiply
    1,556,424.65x = 2,147,869.55 × 877,361.15
  4. Step 4: Simplify right side
    1,556,424.65x = 1,884,457,298,437.98
  5. Step 5: Solve for x
    x = 1,884,457,298,437.98/1,556,424.65
  6. Step 6: Final answer
    x = 1,210,760.38

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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.