Home / 1,152,233.07-1,590,080.40-642,935.49

Finding the Fourth Proportional to 1,152,233.07, 1,590,080.40 and 642,935.49

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Solution

The fourth proportional to 1,152,233.07, 1,590,080.40 and 642,935.49 is: 887,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,233.07 : 1,590,080.40 = 642,935.49 : x
  2. Step 2: Convert to fraction form
    1,152,233.07/1,590,080.40 = 642,935.49/x
  3. Step 3: Cross multiply
    1,152,233.07x = 1,590,080.40 × 642,935.49
  4. Step 4: Simplify right side
    1,152,233.07x = 1,022,319,121,113.40
  5. Step 5: Solve for x
    x = 1,022,319,121,113.40/1,152,233.07
  6. Step 6: Final answer
    x = 887,250.29

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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.