Home / 1,249,893.18-1,874,927.86-618,637.50

Finding the Fourth Proportional to 1,249,893.18, 1,874,927.86 and 618,637.50

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Solution

The fourth proportional to 1,249,893.18, 1,874,927.86 and 618,637.50 is: 927,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,893.18 : 1,874,927.86 = 618,637.50 : x
  2. Step 2: Convert to fraction form
    1,249,893.18/1,874,927.86 = 618,637.50/x
  3. Step 3: Cross multiply
    1,249,893.18x = 1,874,927.86 × 618,637.50
  4. Step 4: Simplify right side
    1,249,893.18x = 1,159,900,682,444.16
  5. Step 5: Solve for x
    x = 1,159,900,682,444.16/1,249,893.18
  6. Step 6: Final answer
    x = 927,999.85

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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.