Home / 1,490,308.44-2,056,508.40-845,728.64

Finding the Fourth Proportional to 1,490,308.44, 2,056,508.40 and 845,728.64

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Solution

The fourth proportional to 1,490,308.44, 2,056,508.40 and 845,728.64 is: 1,167,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,308.44 : 2,056,508.40 = 845,728.64 : x
  2. Step 2: Convert to fraction form
    1,490,308.44/2,056,508.40 = 845,728.64/x
  3. Step 3: Cross multiply
    1,490,308.44x = 2,056,508.40 × 845,728.64
  4. Step 4: Simplify right side
    1,490,308.44x = 1,739,248,052,280.58
  5. Step 5: Solve for x
    x = 1,739,248,052,280.58/1,490,308.44
  6. Step 6: Final answer
    x = 1,167,038.99

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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.