Home / 1,249,898.18-1,874,935.37-618,642.50

Finding the Fourth Proportional to 1,249,898.18, 1,874,935.37 and 618,642.50

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Solution

The fourth proportional to 1,249,898.18, 1,874,935.37 and 618,642.50 is: 928,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,898.18 : 1,874,935.37 = 618,642.50 : x
  2. Step 2: Convert to fraction form
    1,249,898.18/1,874,935.37 = 618,642.50/x
  3. Step 3: Cross multiply
    1,249,898.18x = 1,874,935.37 × 618,642.50
  4. Step 4: Simplify right side
    1,249,898.18x = 1,159,914,704,635.23
  5. Step 5: Solve for x
    x = 1,159,914,704,635.23/1,249,898.18
  6. Step 6: Final answer
    x = 928,007.36

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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.