Home / 1,346,878.17-2,020,686.30-672,144.93

Finding the Fourth Proportional to 1,346,878.17, 2,020,686.30 and 672,144.93

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Solution

The fourth proportional to 1,346,878.17, 2,020,686.30 and 672,144.93 is: 1,008,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,878.17 : 2,020,686.30 = 672,144.93 : x
  2. Step 2: Convert to fraction form
    1,346,878.17/2,020,686.30 = 672,144.93/x
  3. Step 3: Cross multiply
    1,346,878.17x = 2,020,686.30 × 672,144.93
  4. Step 4: Simplify right side
    1,346,878.17x = 1,358,194,051,665.46
  5. Step 5: Solve for x
    x = 1,358,194,051,665.46/1,346,878.17
  6. Step 6: Final answer
    x = 1,008,401.56

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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.