Home / 1,354,310.30-1,868,907.72-742,442.14

Finding the Fourth Proportional to 1,354,310.30, 1,868,907.72 and 742,442.14

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Solution

The fourth proportional to 1,354,310.30, 1,868,907.72 and 742,442.14 is: 1,024,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,310.30 : 1,868,907.72 = 742,442.14 : x
  2. Step 2: Convert to fraction form
    1,354,310.30/1,868,907.72 = 742,442.14/x
  3. Step 3: Cross multiply
    1,354,310.30x = 1,868,907.72 × 742,442.14
  4. Step 4: Simplify right side
    1,354,310.30x = 1,387,555,848,043.38
  5. Step 5: Solve for x
    x = 1,387,555,848,043.38/1,354,310.30
  6. Step 6: Final answer
    x = 1,024,547.95

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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.