Home / 1,240,895.70-1,713,089.12-835,130.66

Finding the Fourth Proportional to 1,240,895.70, 1,713,089.12 and 835,130.66

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Solution

The fourth proportional to 1,240,895.70, 1,713,089.12 and 835,130.66 is: 1,152,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,895.70 : 1,713,089.12 = 835,130.66 : x
  2. Step 2: Convert to fraction form
    1,240,895.70/1,713,089.12 = 835,130.66/x
  3. Step 3: Cross multiply
    1,240,895.70x = 1,713,089.12 × 835,130.66
  4. Step 4: Simplify right side
    1,240,895.70x = 1,430,653,234,683.32
  5. Step 5: Solve for x
    x = 1,430,653,234,683.32/1,240,895.70
  6. Step 6: Final answer
    x = 1,152,919.81

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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.