Home / 1,586,710.29-2,380,141.98-521,728.77

Finding the Fourth Proportional to 1,586,710.29, 2,380,141.98 and 521,728.77

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Solution

The fourth proportional to 1,586,710.29, 2,380,141.98 and 521,728.77 is: 782,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,710.29 : 2,380,141.98 = 521,728.77 : x
  2. Step 2: Convert to fraction form
    1,586,710.29/2,380,141.98 = 521,728.77/x
  3. Step 3: Cross multiply
    1,586,710.29x = 2,380,141.98 × 521,728.77
  4. Step 4: Simplify right side
    1,586,710.29x = 1,241,788,547,650.76
  5. Step 5: Solve for x
    x = 1,241,788,547,650.76/1,586,710.29
  6. Step 6: Final answer
    x = 782,618.32

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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.