Home / 1,500,467-2,070,644.20-821,403.52

Finding the Fourth Proportional to 1,500,467, 2,070,644.20 and 821,403.52

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Solution

The fourth proportional to 1,500,467, 2,070,644.20 and 821,403.52 is: 1,133,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,467 : 2,070,644.20 = 821,403.52 : x
  2. Step 2: Convert to fraction form
    1,500,467/2,070,644.20 = 821,403.52/x
  3. Step 3: Cross multiply
    1,500,467x = 2,070,644.20 × 821,403.52
  4. Step 4: Simplify right side
    1,500,467x = 1,700,834,434,547.58
  5. Step 5: Solve for x
    x = 1,700,834,434,547.58/1,500,467
  6. Step 6: Final answer
    x = 1,133,536.72

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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.