Home / 1,440,098.40-2,160,147.60-641,762.40

Finding the Fourth Proportional to 1,440,098.40, 2,160,147.60 and 641,762.40

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Solution

The fourth proportional to 1,440,098.40, 2,160,147.60 and 641,762.40 is: 962,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,098.40 : 2,160,147.60 = 641,762.40 : x
  2. Step 2: Convert to fraction form
    1,440,098.40/2,160,147.60 = 641,762.40/x
  3. Step 3: Cross multiply
    1,440,098.40x = 2,160,147.60 × 641,762.40
  4. Step 4: Simplify right side
    1,440,098.40x = 1,386,301,508,130.24
  5. Step 5: Solve for x
    x = 1,386,301,508,130.24/1,440,098.40
  6. Step 6: Final answer
    x = 962,643.60

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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.