Home / 977,209.60-1,462,963.20-697,273.60

Finding the Fourth Proportional to 977,209.60, 1,462,963.20 and 697,273.60

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Solution

The fourth proportional to 977,209.60, 1,462,963.20 and 697,273.60 is: 1,043,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,209.60 : 1,462,963.20 = 697,273.60 : x
  2. Step 2: Convert to fraction form
    977,209.60/1,462,963.20 = 697,273.60/x
  3. Step 3: Cross multiply
    977,209.60x = 1,462,963.20 × 697,273.60
  4. Step 4: Simplify right side
    977,209.60x = 1,020,085,617,131.52
  5. Step 5: Solve for x
    x = 1,020,085,617,131.52/977,209.60
  6. Step 6: Final answer
    x = 1,043,875.97

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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.