Home / 1,139,512.47-1,573,011.42-710,004.81

Finding the Fourth Proportional to 1,139,512.47, 1,573,011.42 and 710,004.81

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Solution

The fourth proportional to 1,139,512.47, 1,573,011.42 and 710,004.81 is: 980,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,512.47 : 1,573,011.42 = 710,004.81 : x
  2. Step 2: Convert to fraction form
    1,139,512.47/1,573,011.42 = 710,004.81/x
  3. Step 3: Cross multiply
    1,139,512.47x = 1,573,011.42 × 710,004.81
  4. Step 4: Simplify right side
    1,139,512.47x = 1,116,845,662,969.85
  5. Step 5: Solve for x
    x = 1,116,845,662,969.85/1,139,512.47
  6. Step 6: Final answer
    x = 980,108.33

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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.