Home / 1,487,857.80-2,053,468.10-907,417.86

Finding the Fourth Proportional to 1,487,857.80, 2,053,468.10 and 907,417.86

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Solution

The fourth proportional to 1,487,857.80, 2,053,468.10 and 907,417.86 is: 1,252,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,857.80 : 2,053,468.10 = 907,417.86 : x
  2. Step 2: Convert to fraction form
    1,487,857.80/2,053,468.10 = 907,417.86/x
  3. Step 3: Cross multiply
    1,487,857.80x = 2,053,468.10 × 907,417.86
  4. Step 4: Simplify right side
    1,487,857.80x = 1,863,353,628,880.27
  5. Step 5: Solve for x
    x = 1,863,353,628,880.27/1,487,857.80
  6. Step 6: Final answer
    x = 1,252,373.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.