Home / 1,145,127.40-1,718,347.20-435,664.60

Finding the Fourth Proportional to 1,145,127.40, 1,718,347.20 and 435,664.60

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Solution

The fourth proportional to 1,145,127.40, 1,718,347.20 and 435,664.60 is: 653,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,127.40 : 1,718,347.20 = 435,664.60 : x
  2. Step 2: Convert to fraction form
    1,145,127.40/1,718,347.20 = 435,664.60/x
  3. Step 3: Cross multiply
    1,145,127.40x = 1,718,347.20 × 435,664.60
  4. Step 4: Simplify right side
    1,145,127.40x = 748,623,045,549.12
  5. Step 5: Solve for x
    x = 748,623,045,549.12/1,145,127.40
  6. Step 6: Final answer
    x = 653,746.51

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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.