Home / 1,117,642.96-1,676,714.42-407,671.03

Finding the Fourth Proportional to 1,117,642.96, 1,676,714.42 and 407,671.03

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Solution

The fourth proportional to 1,117,642.96, 1,676,714.42 and 407,671.03 is: 611,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,642.96 : 1,676,714.42 = 407,671.03 : x
  2. Step 2: Convert to fraction form
    1,117,642.96/1,676,714.42 = 407,671.03/x
  3. Step 3: Cross multiply
    1,117,642.96x = 1,676,714.42 × 407,671.03
  4. Step 4: Simplify right side
    1,117,642.96x = 683,547,894,617.25
  5. Step 5: Solve for x
    x = 683,547,894,617.25/1,117,642.96
  6. Step 6: Final answer
    x = 611,597.73

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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.