Home / 1,139,513.47-1,573,012.80-710,005.81

Finding the Fourth Proportional to 1,139,513.47, 1,573,012.80 and 710,005.81

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Solution

The fourth proportional to 1,139,513.47, 1,573,012.80 and 710,005.81 is: 980,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,513.47 : 1,573,012.80 = 710,005.81 : x
  2. Step 2: Convert to fraction form
    1,139,513.47/1,573,012.80 = 710,005.81/x
  3. Step 3: Cross multiply
    1,139,513.47x = 1,573,012.80 × 710,005.81
  4. Step 4: Simplify right side
    1,139,513.47x = 1,116,848,227,204.37
  5. Step 5: Solve for x
    x = 1,116,848,227,204.37/1,139,513.47
  6. Step 6: Final answer
    x = 980,109.72

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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.