Home / 1,429,997.80-1,973,413.16-785,433

Finding the Fourth Proportional to 1,429,997.80, 1,973,413.16 and 785,433

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Solution

The fourth proportional to 1,429,997.80, 1,973,413.16 and 785,433 is: 1,083,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,997.80 : 1,973,413.16 = 785,433 : x
  2. Step 2: Convert to fraction form
    1,429,997.80/1,973,413.16 = 785,433/x
  3. Step 3: Cross multiply
    1,429,997.80x = 1,973,413.16 × 785,433
  4. Step 4: Simplify right side
    1,429,997.80x = 1,549,983,818,498.28
  5. Step 5: Solve for x
    x = 1,549,983,818,498.28/1,429,997.80
  6. Step 6: Final answer
    x = 1,083,906.44

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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.