Home / 1,191,909.50-1,788,987.81-434,483.06

Finding the Fourth Proportional to 1,191,909.50, 1,788,987.81 and 434,483.06

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Solution

The fourth proportional to 1,191,909.50, 1,788,987.81 and 434,483.06 is: 652,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,909.50 : 1,788,987.81 = 434,483.06 : x
  2. Step 2: Convert to fraction form
    1,191,909.50/1,788,987.81 = 434,483.06/x
  3. Step 3: Cross multiply
    1,191,909.50x = 1,788,987.81 × 434,483.06
  4. Step 4: Simplify right side
    1,191,909.50x = 777,284,897,991.50
  5. Step 5: Solve for x
    x = 777,284,897,991.50/1,191,909.50
  6. Step 6: Final answer
    x = 652,134.16

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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.