Home / 1,397,200.90-2,095,801.35-972,048.10

Finding the Fourth Proportional to 1,397,200.90, 2,095,801.35 and 972,048.10

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Solution

The fourth proportional to 1,397,200.90, 2,095,801.35 and 972,048.10 is: 1,458,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,200.90 : 2,095,801.35 = 972,048.10 : x
  2. Step 2: Convert to fraction form
    1,397,200.90/2,095,801.35 = 972,048.10/x
  3. Step 3: Cross multiply
    1,397,200.90x = 2,095,801.35 × 972,048.10
  4. Step 4: Simplify right side
    1,397,200.90x = 2,037,219,720,244.94
  5. Step 5: Solve for x
    x = 2,037,219,720,244.94/1,397,200.90
  6. Step 6: Final answer
    x = 1,458,072.15

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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.