Home / 1,323,355.90-1,976,070.08-1,050,421.94

Finding the Fourth Proportional to 1,323,355.90, 1,976,070.08 and 1,050,421.94

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Solution

The fourth proportional to 1,323,355.90, 1,976,070.08 and 1,050,421.94 is: 1,568,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,355.90 : 1,976,070.08 = 1,050,421.94 : x
  2. Step 2: Convert to fraction form
    1,323,355.90/1,976,070.08 = 1,050,421.94/x
  3. Step 3: Cross multiply
    1,323,355.90x = 1,976,070.08 × 1,050,421.94
  4. Step 4: Simplify right side
    1,323,355.90x = 2,075,707,367,009.56
  5. Step 5: Solve for x
    x = 2,075,707,367,009.56/1,323,355.90
  6. Step 6: Final answer
    x = 1,568,517.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.