Home / 1,427,779.02-2,140,979.58-828,890.94

Finding the Fourth Proportional to 1,427,779.02, 2,140,979.58 and 828,890.94

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Solution

The fourth proportional to 1,427,779.02, 2,140,979.58 and 828,890.94 is: 1,242,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,779.02 : 2,140,979.58 = 828,890.94 : x
  2. Step 2: Convert to fraction form
    1,427,779.02/2,140,979.58 = 828,890.94/x
  3. Step 3: Cross multiply
    1,427,779.02x = 2,140,979.58 × 828,890.94
  4. Step 4: Simplify right side
    1,427,779.02x = 1,774,638,576,587.01
  5. Step 5: Solve for x
    x = 1,774,638,576,587.01/1,427,779.02
  6. Step 6: Final answer
    x = 1,242,936.44

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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.