Home / 1,208,718.79-1,812,881.00-355,590.85

Finding the Fourth Proportional to 1,208,718.79, 1,812,881.00 and 355,590.85

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Solution

The fourth proportional to 1,208,718.79, 1,812,881.00 and 355,590.85 is: 533,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,718.79 : 1,812,881.00 = 355,590.85 : x
  2. Step 2: Convert to fraction form
    1,208,718.79/1,812,881.00 = 355,590.85/x
  3. Step 3: Cross multiply
    1,208,718.79x = 1,812,881.00 × 355,590.85
  4. Step 4: Simplify right side
    1,208,718.79x = 644,643,884,896.49
  5. Step 5: Solve for x
    x = 644,643,884,896.49/1,208,718.79
  6. Step 6: Final answer
    x = 533,328.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.