Home / 1,397,277.20-2,095,915.80-972,124.40

Finding the Fourth Proportional to 1,397,277.20, 2,095,915.80 and 972,124.40

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Solution

The fourth proportional to 1,397,277.20, 2,095,915.80 and 972,124.40 is: 1,458,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,277.20 : 2,095,915.80 = 972,124.40 : x
  2. Step 2: Convert to fraction form
    1,397,277.20/2,095,915.80 = 972,124.40/x
  3. Step 3: Cross multiply
    1,397,277.20x = 2,095,915.80 × 972,124.40
  4. Step 4: Simplify right side
    1,397,277.20x = 2,037,490,889,525.52
  5. Step 5: Solve for x
    x = 2,037,490,889,525.52/1,397,277.20
  6. Step 6: Final answer
    x = 1,458,186.60

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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.