Home / 1,140,807.58-1,712,893.56-636,354.16

Finding the Fourth Proportional to 1,140,807.58, 1,712,893.56 and 636,354.16

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Solution

The fourth proportional to 1,140,807.58, 1,712,893.56 and 636,354.16 is: 955,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,807.58 : 1,712,893.56 = 636,354.16 : x
  2. Step 2: Convert to fraction form
    1,140,807.58/1,712,893.56 = 636,354.16/x
  3. Step 3: Cross multiply
    1,140,807.58x = 1,712,893.56 × 636,354.16
  4. Step 4: Simplify right side
    1,140,807.58x = 1,090,006,942,543.21
  5. Step 5: Solve for x
    x = 1,090,006,942,543.21/1,140,807.58
  6. Step 6: Final answer
    x = 955,469.58

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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.