Home / 1,301,226.51-1,948,318.68-920,579.16

Finding the Fourth Proportional to 1,301,226.51, 1,948,318.68 and 920,579.16

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Solution

The fourth proportional to 1,301,226.51, 1,948,318.68 and 920,579.16 is: 1,378,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,226.51 : 1,948,318.68 = 920,579.16 : x
  2. Step 2: Convert to fraction form
    1,301,226.51/1,948,318.68 = 920,579.16/x
  3. Step 3: Cross multiply
    1,301,226.51x = 1,948,318.68 × 920,579.16
  4. Step 4: Simplify right side
    1,301,226.51x = 1,793,581,573,846.71
  5. Step 5: Solve for x
    x = 1,793,581,573,846.71/1,301,226.51
  6. Step 6: Final answer
    x = 1,378,377.68

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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.