Home / 1,145,534.40-1,714,219.20-997,401.60

Finding the Fourth Proportional to 1,145,534.40, 1,714,219.20 and 997,401.60

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Solution

The fourth proportional to 1,145,534.40, 1,714,219.20 and 997,401.60 is: 1,492,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,534.40 : 1,714,219.20 = 997,401.60 : x
  2. Step 2: Convert to fraction form
    1,145,534.40/1,714,219.20 = 997,401.60/x
  3. Step 3: Cross multiply
    1,145,534.40x = 1,714,219.20 × 997,401.60
  4. Step 4: Simplify right side
    1,145,534.40x = 1,709,764,972,830.72
  5. Step 5: Solve for x
    x = 1,709,764,972,830.72/1,145,534.40
  6. Step 6: Final answer
    x = 1,492,547.91

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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.