Home / 1,402,097.20-2,103,145.80-455,563.60

Finding the Fourth Proportional to 1,402,097.20, 2,103,145.80 and 455,563.60

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Solution

The fourth proportional to 1,402,097.20, 2,103,145.80 and 455,563.60 is: 683,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,097.20 : 2,103,145.80 = 455,563.60 : x
  2. Step 2: Convert to fraction form
    1,402,097.20/2,103,145.80 = 455,563.60/x
  3. Step 3: Cross multiply
    1,402,097.20x = 2,103,145.80 × 455,563.60
  4. Step 4: Simplify right side
    1,402,097.20x = 958,116,671,972.88
  5. Step 5: Solve for x
    x = 958,116,671,972.88/1,402,097.20
  6. Step 6: Final answer
    x = 683,345.40

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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.