Home / 1,530,465.86-2,112,044.88-851,402.36

Finding the Fourth Proportional to 1,530,465.86, 2,112,044.88 and 851,402.36

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Solution

The fourth proportional to 1,530,465.86, 2,112,044.88 and 851,402.36 is: 1,174,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,465.86 : 2,112,044.88 = 851,402.36 : x
  2. Step 2: Convert to fraction form
    1,530,465.86/2,112,044.88 = 851,402.36/x
  3. Step 3: Cross multiply
    1,530,465.86x = 2,112,044.88 × 851,402.36
  4. Step 4: Simplify right side
    1,530,465.86x = 1,798,199,984,697.69
  5. Step 5: Solve for x
    x = 1,798,199,984,697.69/1,530,465.86
  6. Step 6: Final answer
    x = 1,174,936.36

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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.