Home / 1,087,890.30-1,630,453.05-525,714.30

Finding the Fourth Proportional to 1,087,890.30, 1,630,453.05 and 525,714.30

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Solution

The fourth proportional to 1,087,890.30, 1,630,453.05 and 525,714.30 is: 787,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,890.30 : 1,630,453.05 = 525,714.30 : x
  2. Step 2: Convert to fraction form
    1,087,890.30/1,630,453.05 = 525,714.30/x
  3. Step 3: Cross multiply
    1,087,890.30x = 1,630,453.05 × 525,714.30
  4. Step 4: Simplify right side
    1,087,890.30x = 857,152,483,863.62
  5. Step 5: Solve for x
    x = 857,152,483,863.62/1,087,890.30
  6. Step 6: Final answer
    x = 787,903.42

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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.