Home / 1,742,624.34-2,405,047.14-978,677.91

Finding the Fourth Proportional to 1,742,624.34, 2,405,047.14 and 978,677.91

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Solution

The fourth proportional to 1,742,624.34, 2,405,047.14 and 978,677.91 is: 1,350,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,624.34 : 2,405,047.14 = 978,677.91 : x
  2. Step 2: Convert to fraction form
    1,742,624.34/2,405,047.14 = 978,677.91/x
  3. Step 3: Cross multiply
    1,742,624.34x = 2,405,047.14 × 978,677.91
  4. Step 4: Simplify right side
    1,742,624.34x = 2,353,766,508,426.68
  5. Step 5: Solve for x
    x = 2,353,766,508,426.68/1,742,624.34
  6. Step 6: Final answer
    x = 1,350,702.19

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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.