Home / 1,007,646.32-1,390,500.60-554,849.84

Finding the Fourth Proportional to 1,007,646.32, 1,390,500.60 and 554,849.84

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Solution

The fourth proportional to 1,007,646.32, 1,390,500.60 and 554,849.84 is: 765,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,646.32 : 1,390,500.60 = 554,849.84 : x
  2. Step 2: Convert to fraction form
    1,007,646.32/1,390,500.60 = 554,849.84/x
  3. Step 3: Cross multiply
    1,007,646.32x = 1,390,500.60 × 554,849.84
  4. Step 4: Simplify right side
    1,007,646.32x = 771,519,035,429.90
  5. Step 5: Solve for x
    x = 771,519,035,429.90/1,007,646.32
  6. Step 6: Final answer
    x = 765,664.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.