Home / 1,142,050.36-1,712,943.06-300,667.72

Finding the Fourth Proportional to 1,142,050.36, 1,712,943.06 and 300,667.72

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Solution

The fourth proportional to 1,142,050.36, 1,712,943.06 and 300,667.72 is: 450,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,050.36 : 1,712,943.06 = 300,667.72 : x
  2. Step 2: Convert to fraction form
    1,142,050.36/1,712,943.06 = 300,667.72/x
  3. Step 3: Cross multiply
    1,142,050.36x = 1,712,943.06 × 300,667.72
  4. Step 4: Simplify right side
    1,142,050.36x = 515,026,684,340.02
  5. Step 5: Solve for x
    x = 515,026,684,340.02/1,142,050.36
  6. Step 6: Final answer
    x = 450,966.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.