Home / 1,700,128.35-2,549,008.85-752,985.63

Finding the Fourth Proportional to 1,700,128.35, 2,549,008.85 and 752,985.63

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Solution

The fourth proportional to 1,700,128.35, 2,549,008.85 and 752,985.63 is: 1,128,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,128.35 : 2,549,008.85 = 752,985.63 : x
  2. Step 2: Convert to fraction form
    1,700,128.35/2,549,008.85 = 752,985.63/x
  3. Step 3: Cross multiply
    1,700,128.35x = 2,549,008.85 × 752,985.63
  4. Step 4: Simplify right side
    1,700,128.35x = 1,919,367,031,027.90
  5. Step 5: Solve for x
    x = 1,919,367,031,027.90/1,700,128.35
  6. Step 6: Final answer
    x = 1,128,954.19

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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.