Home / 1,249,421.48-1,874,903.34-491,130.26

Finding the Fourth Proportional to 1,249,421.48, 1,874,903.34 and 491,130.26

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Solution

The fourth proportional to 1,249,421.48, 1,874,903.34 and 491,130.26 is: 736,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,421.48 : 1,874,903.34 = 491,130.26 : x
  2. Step 2: Convert to fraction form
    1,249,421.48/1,874,903.34 = 491,130.26/x
  3. Step 3: Cross multiply
    1,249,421.48x = 1,874,903.34 × 491,130.26
  4. Step 4: Simplify right side
    1,249,421.48x = 920,821,764,849.07
  5. Step 5: Solve for x
    x = 920,821,764,849.07/1,249,421.48
  6. Step 6: Final answer
    x = 736,998.51

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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.