Home / 1,258,507.46-1,736,658.45-742,142.93

Finding the Fourth Proportional to 1,258,507.46, 1,736,658.45 and 742,142.93

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Solution

The fourth proportional to 1,258,507.46, 1,736,658.45 and 742,142.93 is: 1,024,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,507.46 : 1,736,658.45 = 742,142.93 : x
  2. Step 2: Convert to fraction form
    1,258,507.46/1,736,658.45 = 742,142.93/x
  3. Step 3: Cross multiply
    1,258,507.46x = 1,736,658.45 × 742,142.93
  4. Step 4: Simplify right side
    1,258,507.46x = 1,288,848,781,808.97
  5. Step 5: Solve for x
    x = 1,288,848,781,808.97/1,258,507.46
  6. Step 6: Final answer
    x = 1,024,108.98

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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.