Home / 1,509,078.60-2,263,617.90-1,402,790.40

Finding the Fourth Proportional to 1,509,078.60, 2,263,617.90 and 1,402,790.40

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Solution

The fourth proportional to 1,509,078.60, 2,263,617.90 and 1,402,790.40 is: 2,104,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,078.60 : 2,263,617.90 = 1,402,790.40 : x
  2. Step 2: Convert to fraction form
    1,509,078.60/2,263,617.90 = 1,402,790.40/x
  3. Step 3: Cross multiply
    1,509,078.60x = 2,263,617.90 × 1,402,790.40
  4. Step 4: Simplify right side
    1,509,078.60x = 3,175,381,459,388.16
  5. Step 5: Solve for x
    x = 3,175,381,459,388.16/1,509,078.60
  6. Step 6: Final answer
    x = 2,104,185.60

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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.