Home / 1,054,457.19-1,581,358.65-380,451.13

Finding the Fourth Proportional to 1,054,457.19, 1,581,358.65 and 380,451.13

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Solution

The fourth proportional to 1,054,457.19, 1,581,358.65 and 380,451.13 is: 570,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,457.19 : 1,581,358.65 = 380,451.13 : x
  2. Step 2: Convert to fraction form
    1,054,457.19/1,581,358.65 = 380,451.13/x
  3. Step 3: Cross multiply
    1,054,457.19x = 1,581,358.65 × 380,451.13
  4. Step 4: Simplify right side
    1,054,457.19x = 601,629,679,947.69
  5. Step 5: Solve for x
    x = 601,629,679,947.69/1,054,457.19
  6. Step 6: Final answer
    x = 570,558.66

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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.