Home / 1,686,748-2,530,124.44-689,476

Finding the Fourth Proportional to 1,686,748, 2,530,124.44 and 689,476

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Solution

The fourth proportional to 1,686,748, 2,530,124.44 and 689,476 is: 1,034,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,748 : 2,530,124.44 = 689,476 : x
  2. Step 2: Convert to fraction form
    1,686,748/2,530,124.44 = 689,476/x
  3. Step 3: Cross multiply
    1,686,748x = 2,530,124.44 × 689,476
  4. Step 4: Simplify right side
    1,686,748x = 1,744,460,078,393.44
  5. Step 5: Solve for x
    x = 1,744,460,078,393.44/1,686,748
  6. Step 6: Final answer
    x = 1,034,215.00

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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.