Home / 1,742,816.60-2,405,312.44-978,870.14

Finding the Fourth Proportional to 1,742,816.60, 2,405,312.44 and 978,870.14

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Solution

The fourth proportional to 1,742,816.60, 2,405,312.44 and 978,870.14 is: 1,350,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,816.60 : 2,405,312.44 = 978,870.14 : x
  2. Step 2: Convert to fraction form
    1,742,816.60/2,405,312.44 = 978,870.14/x
  3. Step 3: Cross multiply
    1,742,816.60x = 2,405,312.44 × 978,870.14
  4. Step 4: Simplify right side
    1,742,816.60x = 2,354,488,524,886.54
  5. Step 5: Solve for x
    x = 2,354,488,524,886.54/1,742,816.60
  6. Step 6: Final answer
    x = 1,350,967.47

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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.