Home / 1,070,890.48-1,477,815.06-611,999.79

Finding the Fourth Proportional to 1,070,890.48, 1,477,815.06 and 611,999.79

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Solution

The fourth proportional to 1,070,890.48, 1,477,815.06 and 611,999.79 is: 844,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,890.48 : 1,477,815.06 = 611,999.79 : x
  2. Step 2: Convert to fraction form
    1,070,890.48/1,477,815.06 = 611,999.79/x
  3. Step 3: Cross multiply
    1,070,890.48x = 1,477,815.06 × 611,999.79
  4. Step 4: Simplify right side
    1,070,890.48x = 904,422,506,378.84
  5. Step 5: Solve for x
    x = 904,422,506,378.84/1,070,890.48
  6. Step 6: Final answer
    x = 844,551.82

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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.