Home / 1,007,649.64-1,390,317.72-571,970.08

Finding the Fourth Proportional to 1,007,649.64, 1,390,317.72 and 571,970.08

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Solution

The fourth proportional to 1,007,649.64, 1,390,317.72 and 571,970.08 is: 789,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,649.64 : 1,390,317.72 = 571,970.08 : x
  2. Step 2: Convert to fraction form
    1,007,649.64/1,390,317.72 = 571,970.08/x
  3. Step 3: Cross multiply
    1,007,649.64x = 1,390,317.72 × 571,970.08
  4. Step 4: Simplify right side
    1,007,649.64x = 795,220,137,533.82
  5. Step 5: Solve for x
    x = 795,220,137,533.82/1,007,649.64
  6. Step 6: Final answer
    x = 789,183.17

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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.