Home / 1,435,278.80-2,152,918.20-959,387.60

Finding the Fourth Proportional to 1,435,278.80, 2,152,918.20 and 959,387.60

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Solution

The fourth proportional to 1,435,278.80, 2,152,918.20 and 959,387.60 is: 1,439,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,278.80 : 2,152,918.20 = 959,387.60 : x
  2. Step 2: Convert to fraction form
    1,435,278.80/2,152,918.20 = 959,387.60/x
  3. Step 3: Cross multiply
    1,435,278.80x = 2,152,918.20 × 959,387.60
  4. Step 4: Simplify right side
    1,435,278.80x = 2,065,483,024,894.32
  5. Step 5: Solve for x
    x = 2,065,483,024,894.32/1,435,278.80
  6. Step 6: Final answer
    x = 1,439,081.40

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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.