Home / 1,254,441.60-1,731,277.80-745,146

Finding the Fourth Proportional to 1,254,441.60, 1,731,277.80 and 745,146

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Solution

The fourth proportional to 1,254,441.60, 1,731,277.80 and 745,146 is: 1,028,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,441.60 : 1,731,277.80 = 745,146 : x
  2. Step 2: Convert to fraction form
    1,254,441.60/1,731,277.80 = 745,146/x
  3. Step 3: Cross multiply
    1,254,441.60x = 1,731,277.80 × 745,146
  4. Step 4: Simplify right side
    1,254,441.60x = 1,290,054,727,558.80
  5. Step 5: Solve for x
    x = 1,290,054,727,558.80/1,254,441.60
  6. Step 6: Final answer
    x = 1,028,389.63

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1.5x scale

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.