Home / 1,042,646.70-1,566,302.85-1,000,137.90

Finding the Fourth Proportional to 1,042,646.70, 1,566,302.85 and 1,000,137.90

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Solution

The fourth proportional to 1,042,646.70, 1,566,302.85 and 1,000,137.90 is: 1,502,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,646.70 : 1,566,302.85 = 1,000,137.90 : x
  2. Step 2: Convert to fraction form
    1,042,646.70/1,566,302.85 = 1,000,137.90/x
  3. Step 3: Cross multiply
    1,042,646.70x = 1,566,302.85 × 1,000,137.90
  4. Step 4: Simplify right side
    1,042,646.70x = 1,566,518,843,163.02
  5. Step 5: Solve for x
    x = 1,566,518,843,163.02/1,042,646.70
  6. Step 6: Final answer
    x = 1,502,444.54

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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.