Home / 1,479,349.40-2,221,097.70-919,477.40

Finding the Fourth Proportional to 1,479,349.40, 2,221,097.70 and 919,477.40

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Solution

The fourth proportional to 1,479,349.40, 2,221,097.70 and 919,477.40 is: 1,380,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,349.40 : 2,221,097.70 = 919,477.40 : x
  2. Step 2: Convert to fraction form
    1,479,349.40/2,221,097.70 = 919,477.40/x
  3. Step 3: Cross multiply
    1,479,349.40x = 2,221,097.70 × 919,477.40
  4. Step 4: Simplify right side
    1,479,349.40x = 2,042,249,138,341.98
  5. Step 5: Solve for x
    x = 2,042,249,138,341.98/1,479,349.40
  6. Step 6: Final answer
    x = 1,380,504.93

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1.5x scale

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.