Home / 1,146,271.40-1,719,407.10-742,113.80

Finding the Fourth Proportional to 1,146,271.40, 1,719,407.10 and 742,113.80

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Solution

The fourth proportional to 1,146,271.40, 1,719,407.10 and 742,113.80 is: 1,113,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,271.40 : 1,719,407.10 = 742,113.80 : x
  2. Step 2: Convert to fraction form
    1,146,271.40/1,719,407.10 = 742,113.80/x
  3. Step 3: Cross multiply
    1,146,271.40x = 1,719,407.10 × 742,113.80
  4. Step 4: Simplify right side
    1,146,271.40x = 1,275,995,736,727.98
  5. Step 5: Solve for x
    x = 1,275,995,736,727.98/1,146,271.40
  6. Step 6: Final answer
    x = 1,113,170.70

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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.