Home / 1,249,782.09-1,877,663.85-801,381.48

Finding the Fourth Proportional to 1,249,782.09, 1,877,663.85 and 801,381.48

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Solution

The fourth proportional to 1,249,782.09, 1,877,663.85 and 801,381.48 is: 1,203,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,782.09 : 1,877,663.85 = 801,381.48 : x
  2. Step 2: Convert to fraction form
    1,249,782.09/1,877,663.85 = 801,381.48/x
  3. Step 3: Cross multiply
    1,249,782.09x = 1,877,663.85 × 801,381.48
  4. Step 4: Simplify right side
    1,249,782.09x = 1,504,725,035,055.50
  5. Step 5: Solve for x
    x = 1,504,725,035,055.50/1,249,782.09
  6. Step 6: Final answer
    x = 1,203,989.92

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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.