Home / 1,249,896.18-1,874,932.37-618,640.50

Finding the Fourth Proportional to 1,249,896.18, 1,874,932.37 and 618,640.50

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Solution

The fourth proportional to 1,249,896.18, 1,874,932.37 and 618,640.50 is: 928,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,896.18 : 1,874,932.37 = 618,640.50 : x
  2. Step 2: Convert to fraction form
    1,249,896.18/1,874,932.37 = 618,640.50/x
  3. Step 3: Cross multiply
    1,249,896.18x = 1,874,932.37 × 618,640.50
  4. Step 4: Simplify right side
    1,249,896.18x = 1,159,909,095,749.78
  5. Step 5: Solve for x
    x = 1,159,909,095,749.78/1,249,896.18
  6. Step 6: Final answer
    x = 928,004.35

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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.