Home / 1,574,284.20-2,364,050.70-864,821.40

Finding the Fourth Proportional to 1,574,284.20, 2,364,050.70 and 864,821.40

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Solution

The fourth proportional to 1,574,284.20, 2,364,050.70 and 864,821.40 is: 1,298,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,284.20 : 2,364,050.70 = 864,821.40 : x
  2. Step 2: Convert to fraction form
    1,574,284.20/2,364,050.70 = 864,821.40/x
  3. Step 3: Cross multiply
    1,574,284.20x = 2,364,050.70 × 864,821.40
  4. Step 4: Simplify right side
    1,574,284.20x = 2,044,481,636,044.98
  5. Step 5: Solve for x
    x = 2,044,481,636,044.98/1,574,284.20
  6. Step 6: Final answer
    x = 1,298,673.79

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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.