Home / 1,622,484.90-2,238,938.28-887,294.07

Finding the Fourth Proportional to 1,622,484.90, 2,238,938.28 and 887,294.07

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Solution

The fourth proportional to 1,622,484.90, 2,238,938.28 and 887,294.07 is: 1,224,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,484.90 : 2,238,938.28 = 887,294.07 : x
  2. Step 2: Convert to fraction form
    1,622,484.90/2,238,938.28 = 887,294.07/x
  3. Step 3: Cross multiply
    1,622,484.90x = 2,238,938.28 × 887,294.07
  4. Step 4: Simplify right side
    1,622,484.90x = 1,986,596,658,940.00
  5. Step 5: Solve for x
    x = 1,986,596,658,940.00/1,622,484.90
  6. Step 6: Final answer
    x = 1,224,416.12

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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.