Home / 1,130,191.50-1,559,664.90-620,926.68

Finding the Fourth Proportional to 1,130,191.50, 1,559,664.90 and 620,926.68

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Solution

The fourth proportional to 1,130,191.50, 1,559,664.90 and 620,926.68 is: 856,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,191.50 : 1,559,664.90 = 620,926.68 : x
  2. Step 2: Convert to fraction form
    1,130,191.50/1,559,664.90 = 620,926.68/x
  3. Step 3: Cross multiply
    1,130,191.50x = 1,559,664.90 × 620,926.68
  4. Step 4: Simplify right side
    1,130,191.50x = 968,437,548,269.53
  5. Step 5: Solve for x
    x = 968,437,548,269.53/1,130,191.50
  6. Step 6: Final answer
    x = 856,879.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.