Home / 1,581,585.40-2,182,624.50-902,585.08

Finding the Fourth Proportional to 1,581,585.40, 2,182,624.50 and 902,585.08

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Solution

The fourth proportional to 1,581,585.40, 2,182,624.50 and 902,585.08 is: 1,245,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,585.40 : 2,182,624.50 = 902,585.08 : x
  2. Step 2: Convert to fraction form
    1,581,585.40/2,182,624.50 = 902,585.08/x
  3. Step 3: Cross multiply
    1,581,585.40x = 2,182,624.50 × 902,585.08
  4. Step 4: Simplify right side
    1,581,585.40x = 1,970,004,308,942.46
  5. Step 5: Solve for x
    x = 1,970,004,308,942.46/1,581,585.40
  6. Step 6: Final answer
    x = 1,245,588.32

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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.