Home / 1,239,972-1,859,975.28-353,508

Finding the Fourth Proportional to 1,239,972, 1,859,975.28 and 353,508

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Solution

The fourth proportional to 1,239,972, 1,859,975.28 and 353,508 is: 530,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,972 : 1,859,975.28 = 353,508 : x
  2. Step 2: Convert to fraction form
    1,239,972/1,859,975.28 = 353,508/x
  3. Step 3: Cross multiply
    1,239,972x = 1,859,975.28 × 353,508
  4. Step 4: Simplify right side
    1,239,972x = 657,516,141,282.24
  5. Step 5: Solve for x
    x = 657,516,141,282.24/1,239,972
  6. Step 6: Final answer
    x = 530,266.93

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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.