Home / 1,142,508.40-1,713,762.60-960,031.60

Finding the Fourth Proportional to 1,142,508.40, 1,713,762.60 and 960,031.60

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Solution

The fourth proportional to 1,142,508.40, 1,713,762.60 and 960,031.60 is: 1,440,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,508.40 : 1,713,762.60 = 960,031.60 : x
  2. Step 2: Convert to fraction form
    1,142,508.40/1,713,762.60 = 960,031.60/x
  3. Step 3: Cross multiply
    1,142,508.40x = 1,713,762.60 × 960,031.60
  4. Step 4: Simplify right side
    1,142,508.40x = 1,645,266,250,898.16
  5. Step 5: Solve for x
    x = 1,645,266,250,898.16/1,142,508.40
  6. Step 6: Final answer
    x = 1,440,047.40

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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.