Home / 1,256,970.25-1,885,566.55-358,392.70

Finding the Fourth Proportional to 1,256,970.25, 1,885,566.55 and 358,392.70

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Solution

The fourth proportional to 1,256,970.25, 1,885,566.55 and 358,392.70 is: 537,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,970.25 : 1,885,566.55 = 358,392.70 : x
  2. Step 2: Convert to fraction form
    1,256,970.25/1,885,566.55 = 358,392.70/x
  3. Step 3: Cross multiply
    1,256,970.25x = 1,885,566.55 × 358,392.70
  4. Step 4: Simplify right side
    1,256,970.25x = 675,773,289,017.15
  5. Step 5: Solve for x
    x = 675,773,289,017.15/1,256,970.25
  6. Step 6: Final answer
    x = 537,620.75

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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.