Home / 1,199,406.45-1,799,421-357,958.20

Finding the Fourth Proportional to 1,199,406.45, 1,799,421 and 357,958.20

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Solution

The fourth proportional to 1,199,406.45, 1,799,421 and 357,958.20 is: 537,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,406.45 : 1,799,421 = 357,958.20 : x
  2. Step 2: Convert to fraction form
    1,199,406.45/1,799,421 = 357,958.20/x
  3. Step 3: Cross multiply
    1,199,406.45x = 1,799,421 × 357,958.20
  4. Step 4: Simplify right side
    1,199,406.45x = 644,117,502,202.20
  5. Step 5: Solve for x
    x = 644,117,502,202.20/1,199,406.45
  6. Step 6: Final answer
    x = 537,030.21

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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.