Home / 1,206,417.60-1,809,886.77-407,681.46

Finding the Fourth Proportional to 1,206,417.60, 1,809,886.77 and 407,681.46

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Solution

The fourth proportional to 1,206,417.60, 1,809,886.77 and 407,681.46 is: 611,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,417.60 : 1,809,886.77 = 407,681.46 : x
  2. Step 2: Convert to fraction form
    1,206,417.60/1,809,886.77 = 407,681.46/x
  3. Step 3: Cross multiply
    1,206,417.60x = 1,809,886.77 × 407,681.46
  4. Step 4: Simplify right side
    1,206,417.60x = 737,857,280,828.28
  5. Step 5: Solve for x
    x = 737,857,280,828.28/1,206,417.60
  6. Step 6: Final answer
    x = 611,610.18

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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.