Home / 1,142,786.68-1,712,676.05-637,585.53

Finding the Fourth Proportional to 1,142,786.68, 1,712,676.05 and 637,585.53

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Solution

The fourth proportional to 1,142,786.68, 1,712,676.05 and 637,585.53 is: 955,539.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,786.68 : 1,712,676.05 = 637,585.53 : x
  2. Step 2: Convert to fraction form
    1,142,786.68/1,712,676.05 = 637,585.53/x
  3. Step 3: Cross multiply
    1,142,786.68x = 1,712,676.05 × 637,585.53
  4. Step 4: Simplify right side
    1,142,786.68x = 1,091,977,459,838.04
  5. Step 5: Solve for x
    x = 1,091,977,459,838.04/1,142,786.68
  6. Step 6: Final answer
    x = 955,539.19

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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.