Home / 1,035,540.48-1,553,320.96-287,590.40

Finding the Fourth Proportional to 1,035,540.48, 1,553,320.96 and 287,590.40

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Solution

The fourth proportional to 1,035,540.48, 1,553,320.96 and 287,590.40 is: 431,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,540.48 : 1,553,320.96 = 287,590.40 : x
  2. Step 2: Convert to fraction form
    1,035,540.48/1,553,320.96 = 287,590.40/x
  3. Step 3: Cross multiply
    1,035,540.48x = 1,553,320.96 × 287,590.40
  4. Step 4: Simplify right side
    1,035,540.48x = 446,720,196,214.78
  5. Step 5: Solve for x
    x = 446,720,196,214.78/1,035,540.48
  6. Step 6: Final answer
    x = 431,388.44

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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.