Home / 1,309,765.32-1,965,401.28-551,547

Finding the Fourth Proportional to 1,309,765.32, 1,965,401.28 and 551,547

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Solution

The fourth proportional to 1,309,765.32, 1,965,401.28 and 551,547 is: 827,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,765.32 : 1,965,401.28 = 551,547 : x
  2. Step 2: Convert to fraction form
    1,309,765.32/1,965,401.28 = 551,547/x
  3. Step 3: Cross multiply
    1,309,765.32x = 1,965,401.28 × 551,547
  4. Step 4: Simplify right side
    1,309,765.32x = 1,084,011,179,780.16
  5. Step 5: Solve for x
    x = 1,084,011,179,780.16/1,309,765.32
  6. Step 6: Final answer
    x = 827,637.72

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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.