Home / 1,314,215.90-1,814,439.01-1,007,703.50

Finding the Fourth Proportional to 1,314,215.90, 1,814,439.01 and 1,007,703.50

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Solution

The fourth proportional to 1,314,215.90, 1,814,439.01 and 1,007,703.50 is: 1,391,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,215.90 : 1,814,439.01 = 1,007,703.50 : x
  2. Step 2: Convert to fraction form
    1,314,215.90/1,814,439.01 = 1,007,703.50/x
  3. Step 3: Cross multiply
    1,314,215.90x = 1,814,439.01 × 1,007,703.50
  4. Step 4: Simplify right side
    1,314,215.90x = 1,828,416,529,322.08
  5. Step 5: Solve for x
    x = 1,828,416,529,322.08/1,314,215.90
  6. Step 6: Final answer
    x = 1,391,260.40

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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.