Home / 1,054,417.29-1,581,298.86-380,410.98

Finding the Fourth Proportional to 1,054,417.29, 1,581,298.86 and 380,410.98

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Solution

The fourth proportional to 1,054,417.29, 1,581,298.86 and 380,410.98 is: 570,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,417.29 : 1,581,298.86 = 380,410.98 : x
  2. Step 2: Convert to fraction form
    1,054,417.29/1,581,298.86 = 380,410.98/x
  3. Step 3: Cross multiply
    1,054,417.29x = 1,581,298.86 × 380,410.98
  4. Step 4: Simplify right side
    1,054,417.29x = 601,543,449,005.48
  5. Step 5: Solve for x
    x = 601,543,449,005.48/1,054,417.29
  6. Step 6: Final answer
    x = 570,498.47

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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.