Home / 1,400,545.40-2,100,818.10-869,104.40

Finding the Fourth Proportional to 1,400,545.40, 2,100,818.10 and 869,104.40

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Solution

The fourth proportional to 1,400,545.40, 2,100,818.10 and 869,104.40 is: 1,303,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,545.40 : 2,100,818.10 = 869,104.40 : x
  2. Step 2: Convert to fraction form
    1,400,545.40/2,100,818.10 = 869,104.40/x
  3. Step 3: Cross multiply
    1,400,545.40x = 2,100,818.10 × 869,104.40
  4. Step 4: Simplify right side
    1,400,545.40x = 1,825,830,254,309.64
  5. Step 5: Solve for x
    x = 1,825,830,254,309.64/1,400,545.40
  6. Step 6: Final answer
    x = 1,303,656.60

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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.