Home / 1,586,312-2,188,879.58-907,117.28

Finding the Fourth Proportional to 1,586,312, 2,188,879.58 and 907,117.28

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Solution

The fourth proportional to 1,586,312, 2,188,879.58 and 907,117.28 is: 1,251,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,312 : 2,188,879.58 = 907,117.28 : x
  2. Step 2: Convert to fraction form
    1,586,312/2,188,879.58 = 907,117.28/x
  3. Step 3: Cross multiply
    1,586,312x = 2,188,879.58 × 907,117.28
  4. Step 4: Simplify right side
    1,586,312x = 1,985,570,490,857.14
  5. Step 5: Solve for x
    x = 1,985,570,490,857.14/1,586,312
  6. Step 6: Final answer
    x = 1,251,689.76

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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.