Home / 1,394,885.80-2,091,810.30-553,263.40

Finding the Fourth Proportional to 1,394,885.80, 2,091,810.30 and 553,263.40

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Solution

The fourth proportional to 1,394,885.80, 2,091,810.30 and 553,263.40 is: 829,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,885.80 : 2,091,810.30 = 553,263.40 : x
  2. Step 2: Convert to fraction form
    1,394,885.80/2,091,810.30 = 553,263.40/x
  3. Step 3: Cross multiply
    1,394,885.80x = 2,091,810.30 × 553,263.40
  4. Step 4: Simplify right side
    1,394,885.80x = 1,157,322,078,733.02
  5. Step 5: Solve for x
    x = 1,157,322,078,733.02/1,394,885.80
  6. Step 6: Final answer
    x = 829,689.48

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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.