Home / 1,742,642.20-2,610,464.10-993,813.40

Finding the Fourth Proportional to 1,742,642.20, 2,610,464.10 and 993,813.40

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Solution

The fourth proportional to 1,742,642.20, 2,610,464.10 and 993,813.40 is: 1,488,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,642.20 : 2,610,464.10 = 993,813.40 : x
  2. Step 2: Convert to fraction form
    1,742,642.20/2,610,464.10 = 993,813.40/x
  3. Step 3: Cross multiply
    1,742,642.20x = 2,610,464.10 × 993,813.40
  4. Step 4: Simplify right side
    1,742,642.20x = 2,594,314,202,798.94
  5. Step 5: Solve for x
    x = 2,594,314,202,798.94/1,742,642.20
  6. Step 6: Final answer
    x = 1,488,724.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.