Home / 1,346,319.16-1,857,890.54-742,707

Finding the Fourth Proportional to 1,346,319.16, 1,857,890.54 and 742,707

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Solution

The fourth proportional to 1,346,319.16, 1,857,890.54 and 742,707 is: 1,024,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,319.16 : 1,857,890.54 = 742,707 : x
  2. Step 2: Convert to fraction form
    1,346,319.16/1,857,890.54 = 742,707/x
  3. Step 3: Cross multiply
    1,346,319.16x = 1,857,890.54 × 742,707
  4. Step 4: Simplify right side
    1,346,319.16x = 1,379,868,309,291.78
  5. Step 5: Solve for x
    x = 1,379,868,309,291.78/1,346,319.16
  6. Step 6: Final answer
    x = 1,024,919.17

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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.