Home / 1,262,409.16-1,742,167.62-746,605.21

Finding the Fourth Proportional to 1,262,409.16, 1,742,167.62 and 746,605.21

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Solution

The fourth proportional to 1,262,409.16, 1,742,167.62 and 746,605.21 is: 1,030,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,409.16 : 1,742,167.62 = 746,605.21 : x
  2. Step 2: Convert to fraction form
    1,262,409.16/1,742,167.62 = 746,605.21/x
  3. Step 3: Cross multiply
    1,262,409.16x = 1,742,167.62 × 746,605.21
  4. Step 4: Simplify right side
    1,262,409.16x = 1,300,711,413,074.46
  5. Step 5: Solve for x
    x = 1,300,711,413,074.46/1,262,409.16
  6. Step 6: Final answer
    x = 1,030,340.61

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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.