Home / 1,742,987.27-2,405,547.86-979,040.84

Finding the Fourth Proportional to 1,742,987.27, 2,405,547.86 and 979,040.84

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Solution

The fourth proportional to 1,742,987.27, 2,405,547.86 and 979,040.84 is: 1,351,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,987.27 : 2,405,547.86 = 979,040.84 : x
  2. Step 2: Convert to fraction form
    1,742,987.27/2,405,547.86 = 979,040.84/x
  3. Step 3: Cross multiply
    1,742,987.27x = 2,405,547.86 × 979,040.84
  4. Step 4: Simplify right side
    1,742,987.27x = 2,355,129,580,591.66
  5. Step 5: Solve for x
    x = 2,355,129,580,591.66/1,742,987.27
  6. Step 6: Final answer
    x = 1,351,202.97

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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.