Home / 1,331,509.98-1,997,279.52-384,888.90

Finding the Fourth Proportional to 1,331,509.98, 1,997,279.52 and 384,888.90

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Solution

The fourth proportional to 1,331,509.98, 1,997,279.52 and 384,888.90 is: 577,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,509.98 : 1,997,279.52 = 384,888.90 : x
  2. Step 2: Convert to fraction form
    1,331,509.98/1,997,279.52 = 384,888.90/x
  3. Step 3: Cross multiply
    1,331,509.98x = 1,997,279.52 × 384,888.90
  4. Step 4: Simplify right side
    1,331,509.98x = 768,730,717,445.33
  5. Step 5: Solve for x
    x = 768,730,717,445.33/1,331,509.98
  6. Step 6: Final answer
    x = 577,337.56

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1.5x scale

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.