Home / 918,897.30-1,375,581.15-808,305.30

Finding the Fourth Proportional to 918,897.30, 1,375,581.15 and 808,305.30

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Solution

The fourth proportional to 918,897.30, 1,375,581.15 and 808,305.30 is: 1,210,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,897.30 : 1,375,581.15 = 808,305.30 : x
  2. Step 2: Convert to fraction form
    918,897.30/1,375,581.15 = 808,305.30/x
  3. Step 3: Cross multiply
    918,897.30x = 1,375,581.15 × 808,305.30
  4. Step 4: Simplify right side
    918,897.30x = 1,111,889,534,125.10
  5. Step 5: Solve for x
    x = 1,111,889,534,125.10/918,897.30
  6. Step 6: Final answer
    x = 1,210,025.90

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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.