Home / 1,433,398.50-1,978,090.23-788,818.70

Finding the Fourth Proportional to 1,433,398.50, 1,978,090.23 and 788,818.70

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Solution

The fourth proportional to 1,433,398.50, 1,978,090.23 and 788,818.70 is: 1,088,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,398.50 : 1,978,090.23 = 788,818.70 : x
  2. Step 2: Convert to fraction form
    1,433,398.50/1,978,090.23 = 788,818.70/x
  3. Step 3: Cross multiply
    1,433,398.50x = 1,978,090.23 × 788,818.70
  4. Step 4: Simplify right side
    1,433,398.50x = 1,560,354,553,820.85
  5. Step 5: Solve for x
    x = 1,560,354,553,820.85/1,433,398.50
  6. Step 6: Final answer
    x = 1,088,569.96

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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.