Home / 1,687,937.60-2,328,962.40-999,263.36

Finding the Fourth Proportional to 1,687,937.60, 2,328,962.40 and 999,263.36

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Solution

The fourth proportional to 1,687,937.60, 2,328,962.40 and 999,263.36 is: 1,378,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,937.60 : 2,328,962.40 = 999,263.36 : x
  2. Step 2: Convert to fraction form
    1,687,937.60/2,328,962.40 = 999,263.36/x
  3. Step 3: Cross multiply
    1,687,937.60x = 2,328,962.40 × 999,263.36
  4. Step 4: Simplify right side
    1,687,937.60x = 2,327,246,793,137.66
  5. Step 5: Solve for x
    x = 2,327,246,793,137.66/1,687,937.60
  6. Step 6: Final answer
    x = 1,378,751.67

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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.