Home / 1,421,219.46-1,961,482.86-904,808.38

Finding the Fourth Proportional to 1,421,219.46, 1,961,482.86 and 904,808.38

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Solution

The fourth proportional to 1,421,219.46, 1,961,482.86 and 904,808.38 is: 1,248,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,219.46 : 1,961,482.86 = 904,808.38 : x
  2. Step 2: Convert to fraction form
    1,421,219.46/1,961,482.86 = 904,808.38/x
  3. Step 3: Cross multiply
    1,421,219.46x = 1,961,482.86 × 904,808.38
  4. Step 4: Simplify right side
    1,421,219.46x = 1,774,766,128,954.37
  5. Step 5: Solve for x
    x = 1,774,766,128,954.37/1,421,219.46
  6. Step 6: Final answer
    x = 1,248,762.90

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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.