Home / 1,286,293.14-1,774,956.51-742,604.40

Finding the Fourth Proportional to 1,286,293.14, 1,774,956.51 and 742,604.40

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Solution

The fourth proportional to 1,286,293.14, 1,774,956.51 and 742,604.40 is: 1,024,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,293.14 : 1,774,956.51 = 742,604.40 : x
  2. Step 2: Convert to fraction form
    1,286,293.14/1,774,956.51 = 742,604.40/x
  3. Step 3: Cross multiply
    1,286,293.14x = 1,774,956.51 × 742,604.40
  4. Step 4: Simplify right side
    1,286,293.14x = 1,318,090,514,134.64
  5. Step 5: Solve for x
    x = 1,318,090,514,134.64/1,286,293.14
  6. Step 6: Final answer
    x = 1,024,720.16

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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.