Home / 1,523,685.37-2,102,702.88-870,397.87

Finding the Fourth Proportional to 1,523,685.37, 2,102,702.88 and 870,397.87

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Solution

The fourth proportional to 1,523,685.37, 2,102,702.88 and 870,397.87 is: 1,201,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,685.37 : 2,102,702.88 = 870,397.87 : x
  2. Step 2: Convert to fraction form
    1,523,685.37/2,102,702.88 = 870,397.87/x
  3. Step 3: Cross multiply
    1,523,685.37x = 2,102,702.88 × 870,397.87
  4. Step 4: Simplify right side
    1,523,685.37x = 1,830,188,107,994.87
  5. Step 5: Solve for x
    x = 1,830,188,107,994.87/1,523,685.37
  6. Step 6: Final answer
    x = 1,201,158.81

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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.