Home / 1,262,349.93-1,742,056.75-689,406.96

Finding the Fourth Proportional to 1,262,349.93, 1,742,056.75 and 689,406.96

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Solution

The fourth proportional to 1,262,349.93, 1,742,056.75 and 689,406.96 is: 951,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,349.93 : 1,742,056.75 = 689,406.96 : x
  2. Step 2: Convert to fraction form
    1,262,349.93/1,742,056.75 = 689,406.96/x
  3. Step 3: Cross multiply
    1,262,349.93x = 1,742,056.75 × 689,406.96
  4. Step 4: Simplify right side
    1,262,349.93x = 1,200,986,048,164.98
  5. Step 5: Solve for x
    x = 1,200,986,048,164.98/1,262,349.93
  6. Step 6: Final answer
    x = 951,389.17

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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.