Home / 1,402,221.75-1,935,024.98-790,410.39

Finding the Fourth Proportional to 1,402,221.75, 1,935,024.98 and 790,410.39

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Solution

The fourth proportional to 1,402,221.75, 1,935,024.98 and 790,410.39 is: 1,090,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,221.75 : 1,935,024.98 = 790,410.39 : x
  2. Step 2: Convert to fraction form
    1,402,221.75/1,935,024.98 = 790,410.39/x
  3. Step 3: Cross multiply
    1,402,221.75x = 1,935,024.98 × 790,410.39
  4. Step 4: Simplify right side
    1,402,221.75x = 1,529,463,845,149.49
  5. Step 5: Solve for x
    x = 1,529,463,845,149.49/1,402,221.75
  6. Step 6: Final answer
    x = 1,090,743.20

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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.