Home / 1,296,374.40-1,943,978.40-497,390.40

Finding the Fourth Proportional to 1,296,374.40, 1,943,978.40 and 497,390.40

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Solution

The fourth proportional to 1,296,374.40, 1,943,978.40 and 497,390.40 is: 745,861.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,374.40 : 1,943,978.40 = 497,390.40 : x
  2. Step 2: Convert to fraction form
    1,296,374.40/1,943,978.40 = 497,390.40/x
  3. Step 3: Cross multiply
    1,296,374.40x = 1,943,978.40 × 497,390.40
  4. Step 4: Simplify right side
    1,296,374.40x = 966,916,193,967.36
  5. Step 5: Solve for x
    x = 966,916,193,967.36/1,296,374.40
  6. Step 6: Final answer
    x = 745,861.84

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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.