Home / 1,132,875.60-1,699,313.40-628,990.80

Finding the Fourth Proportional to 1,132,875.60, 1,699,313.40 and 628,990.80

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Solution

The fourth proportional to 1,132,875.60, 1,699,313.40 and 628,990.80 is: 943,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,875.60 : 1,699,313.40 = 628,990.80 : x
  2. Step 2: Convert to fraction form
    1,132,875.60/1,699,313.40 = 628,990.80/x
  3. Step 3: Cross multiply
    1,132,875.60x = 1,699,313.40 × 628,990.80
  4. Step 4: Simplify right side
    1,132,875.60x = 1,068,852,494,916.72
  5. Step 5: Solve for x
    x = 1,068,852,494,916.72/1,132,875.60
  6. Step 6: Final answer
    x = 943,486.20

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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.