Home / 1,421,156.20-1,961,395.59-904,745.02

Finding the Fourth Proportional to 1,421,156.20, 1,961,395.59 and 904,745.02

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Solution

The fourth proportional to 1,421,156.20, 1,961,395.59 and 904,745.02 is: 1,248,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,156.20 : 1,961,395.59 = 904,745.02 : x
  2. Step 2: Convert to fraction form
    1,421,156.20/1,961,395.59 = 904,745.02/x
  3. Step 3: Cross multiply
    1,421,156.20x = 1,961,395.59 × 904,745.02
  4. Step 4: Simplify right side
    1,421,156.20x = 1,774,562,892,302.46
  5. Step 5: Solve for x
    x = 1,774,562,892,302.46/1,421,156.20
  6. Step 6: Final answer
    x = 1,248,675.47

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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.