Home / 1,630,512-2,250,063.32-905,341.08

Finding the Fourth Proportional to 1,630,512, 2,250,063.32 and 905,341.08

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Solution

The fourth proportional to 1,630,512, 2,250,063.32 and 905,341.08 is: 1,249,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,512 : 2,250,063.32 = 905,341.08 : x
  2. Step 2: Convert to fraction form
    1,630,512/2,250,063.32 = 905,341.08/x
  3. Step 3: Cross multiply
    1,630,512x = 2,250,063.32 × 905,341.08
  4. Step 4: Simplify right side
    1,630,512x = 2,037,074,756,197.19
  5. Step 5: Solve for x
    x = 2,037,074,756,197.19/1,630,512
  6. Step 6: Final answer
    x = 1,249,346.68

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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.