Home / 1,292,595.47-1,939,779.09-451,147.22

Finding the Fourth Proportional to 1,292,595.47, 1,939,779.09 and 451,147.22

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Solution

The fourth proportional to 1,292,595.47, 1,939,779.09 and 451,147.22 is: 677,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,595.47 : 1,939,779.09 = 451,147.22 : x
  2. Step 2: Convert to fraction form
    1,292,595.47/1,939,779.09 = 451,147.22/x
  3. Step 3: Cross multiply
    1,292,595.47x = 1,939,779.09 × 451,147.22
  4. Step 4: Simplify right side
    1,292,595.47x = 875,125,941,442.91
  5. Step 5: Solve for x
    x = 875,125,941,442.91/1,292,595.47
  6. Step 6: Final answer
    x = 677,030.02

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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.