Home / 1,009,918.34-1,393,894.73-617,518.38

Finding the Fourth Proportional to 1,009,918.34, 1,393,894.73 and 617,518.38

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Solution

The fourth proportional to 1,009,918.34, 1,393,894.73 and 617,518.38 is: 852,302.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,918.34 : 1,393,894.73 = 617,518.38 : x
  2. Step 2: Convert to fraction form
    1,009,918.34/1,393,894.73 = 617,518.38/x
  3. Step 3: Cross multiply
    1,009,918.34x = 1,393,894.73 × 617,518.38
  4. Step 4: Simplify right side
    1,009,918.34x = 860,755,611,016.84
  5. Step 5: Solve for x
    x = 860,755,611,016.84/1,009,918.34
  6. Step 6: Final answer
    x = 852,302.19

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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.