Home / 1,362,281.99-1,879,807.72-838,909.40

Finding the Fourth Proportional to 1,362,281.99, 1,879,807.72 and 838,909.40

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Solution

The fourth proportional to 1,362,281.99, 1,879,807.72 and 838,909.40 is: 1,157,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,281.99 : 1,879,807.72 = 838,909.40 : x
  2. Step 2: Convert to fraction form
    1,362,281.99/1,879,807.72 = 838,909.40/x
  3. Step 3: Cross multiply
    1,362,281.99x = 1,879,807.72 × 838,909.40
  4. Step 4: Simplify right side
    1,362,281.99x = 1,576,988,366,500.57
  5. Step 5: Solve for x
    x = 1,576,988,366,500.57/1,362,281.99
  6. Step 6: Final answer
    x = 1,157,607.88

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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.