Home / 1,071,620.80-1,607,711.29-621,909.35

Finding the Fourth Proportional to 1,071,620.80, 1,607,711.29 and 621,909.35

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Solution

The fourth proportional to 1,071,620.80, 1,607,711.29 and 621,909.35 is: 933,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,620.80 : 1,607,711.29 = 621,909.35 : x
  2. Step 2: Convert to fraction form
    1,071,620.80/1,607,711.29 = 621,909.35/x
  3. Step 3: Cross multiply
    1,071,620.80x = 1,607,711.29 × 621,909.35
  4. Step 4: Simplify right side
    1,071,620.80x = 999,850,692,328.77
  5. Step 5: Solve for x
    x = 999,850,692,328.77/1,071,620.80
  6. Step 6: Final answer
    x = 933,026.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.