Home / 1,856,332-2,784,070.32-1,047,070.72

Finding the Fourth Proportional to 1,856,332, 2,784,070.32 and 1,047,070.72

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Solution

The fourth proportional to 1,856,332, 2,784,070.32 and 1,047,070.72 is: 1,570,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,332 : 2,784,070.32 = 1,047,070.72 : x
  2. Step 2: Convert to fraction form
    1,856,332/2,784,070.32 = 1,047,070.72/x
  3. Step 3: Cross multiply
    1,856,332x = 2,784,070.32 × 1,047,070.72
  4. Step 4: Simplify right side
    1,856,332x = 2,915,118,514,493.03
  5. Step 5: Solve for x
    x = 2,915,118,514,493.03/1,856,332
  6. Step 6: Final answer
    x = 1,570,364.85

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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.