Home / 1,365,957.90-2,047,214.04-692,208.78

Finding the Fourth Proportional to 1,365,957.90, 2,047,214.04 and 692,208.78

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Solution

The fourth proportional to 1,365,957.90, 2,047,214.04 and 692,208.78 is: 1,037,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,957.90 : 2,047,214.04 = 692,208.78 : x
  2. Step 2: Convert to fraction form
    1,365,957.90/2,047,214.04 = 692,208.78/x
  3. Step 3: Cross multiply
    1,365,957.90x = 2,047,214.04 × 692,208.78
  4. Step 4: Simplify right side
    1,365,957.90x = 1,417,099,533,027.27
  5. Step 5: Solve for x
    x = 1,417,099,533,027.27/1,365,957.90
  6. Step 6: Final answer
    x = 1,037,440.12

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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.