Home / 1,009,706.32-1,393,269.63-617,436.43

Finding the Fourth Proportional to 1,009,706.32, 1,393,269.63 and 617,436.43

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Solution

The fourth proportional to 1,009,706.32, 1,393,269.63 and 617,436.43 is: 851,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,706.32 : 1,393,269.63 = 617,436.43 : x
  2. Step 2: Convert to fraction form
    1,009,706.32/1,393,269.63 = 617,436.43/x
  3. Step 3: Cross multiply
    1,009,706.32x = 1,393,269.63 × 617,436.43
  4. Step 4: Simplify right side
    1,009,706.32x = 860,255,426,374.62
  5. Step 5: Solve for x
    x = 860,255,426,374.62/1,009,706.32
  6. Step 6: Final answer
    x = 851,985.78

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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.