Home / 1,168,279.50-1,612,225.80-631,735.50

Finding the Fourth Proportional to 1,168,279.50, 1,612,225.80 and 631,735.50

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Solution

The fourth proportional to 1,168,279.50, 1,612,225.80 and 631,735.50 is: 871,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,279.50 : 1,612,225.80 = 631,735.50 : x
  2. Step 2: Convert to fraction form
    1,168,279.50/1,612,225.80 = 631,735.50/x
  3. Step 3: Cross multiply
    1,168,279.50x = 1,612,225.80 × 631,735.50
  4. Step 4: Simplify right side
    1,168,279.50x = 1,018,500,271,875.90
  5. Step 5: Solve for x
    x = 1,018,500,271,875.90/1,168,279.50
  6. Step 6: Final answer
    x = 871,795.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.