Home / 1,249,968.60-1,875,040.92-618,712.92

Finding the Fourth Proportional to 1,249,968.60, 1,875,040.92 and 618,712.92

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Solution

The fourth proportional to 1,249,968.60, 1,875,040.92 and 618,712.92 is: 928,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,968.60 : 1,875,040.92 = 618,712.92 : x
  2. Step 2: Convert to fraction form
    1,249,968.60/1,875,040.92 = 618,712.92/x
  3. Step 3: Cross multiply
    1,249,968.60x = 1,875,040.92 × 618,712.92
  4. Step 4: Simplify right side
    1,249,968.60x = 1,160,112,042,732.69
  5. Step 5: Solve for x
    x = 1,160,112,042,732.69/1,249,968.60
  6. Step 6: Final answer
    x = 928,112.95

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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.