Home / 1,742,724.85-2,405,147.69-1,054,775.30

Finding the Fourth Proportional to 1,742,724.85, 2,405,147.69 and 1,054,775.30

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Solution

The fourth proportional to 1,742,724.85, 2,405,147.69 and 1,054,775.30 is: 1,455,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,724.85 : 2,405,147.69 = 1,054,775.30 : x
  2. Step 2: Convert to fraction form
    1,742,724.85/2,405,147.69 = 1,054,775.30/x
  3. Step 3: Cross multiply
    1,742,724.85x = 2,405,147.69 × 1,054,775.30
  4. Step 4: Simplify right side
    1,742,724.85x = 2,536,890,382,276.93
  5. Step 5: Solve for x
    x = 2,536,890,382,276.93/1,742,724.85
  6. Step 6: Final answer
    x = 1,455,703.34

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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.