Home / 1,433,400.15-1,978,092.50-788,820.35

Finding the Fourth Proportional to 1,433,400.15, 1,978,092.50 and 788,820.35

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Solution

The fourth proportional to 1,433,400.15, 1,978,092.50 and 788,820.35 is: 1,088,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,400.15 : 1,978,092.50 = 788,820.35 : x
  2. Step 2: Convert to fraction form
    1,433,400.15/1,978,092.50 = 788,820.35/x
  3. Step 3: Cross multiply
    1,433,400.15x = 1,978,092.50 × 788,820.35
  4. Step 4: Simplify right side
    1,433,400.15x = 1,560,359,604,347.81
  5. Step 5: Solve for x
    x = 1,560,359,604,347.81/1,433,400.15
  6. Step 6: Final answer
    x = 1,088,572.23

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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.