Home / 1,435,521.17-2,153,168.68-625,886.48

Finding the Fourth Proportional to 1,435,521.17, 2,153,168.68 and 625,886.48

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Solution

The fourth proportional to 1,435,521.17, 2,153,168.68 and 625,886.48 is: 938,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,521.17 : 2,153,168.68 = 625,886.48 : x
  2. Step 2: Convert to fraction form
    1,435,521.17/2,153,168.68 = 625,886.48/x
  3. Step 3: Cross multiply
    1,435,521.17x = 2,153,168.68 × 625,886.48
  4. Step 4: Simplify right side
    1,435,521.17x = 1,347,639,165,971.45
  5. Step 5: Solve for x
    x = 1,347,639,165,971.45/1,435,521.17
  6. Step 6: Final answer
    x = 938,780.42

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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.