Home / 1,315,388.16-1,973,006.91-355,829.76

Finding the Fourth Proportional to 1,315,388.16, 1,973,006.91 and 355,829.76

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Solution

The fourth proportional to 1,315,388.16, 1,973,006.91 and 355,829.76 is: 533,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,388.16 : 1,973,006.91 = 355,829.76 : x
  2. Step 2: Convert to fraction form
    1,315,388.16/1,973,006.91 = 355,829.76/x
  3. Step 3: Cross multiply
    1,315,388.16x = 1,973,006.91 × 355,829.76
  4. Step 4: Simplify right side
    1,315,388.16x = 702,054,575,263.64
  5. Step 5: Solve for x
    x = 702,054,575,263.64/1,315,388.16
  6. Step 6: Final answer
    x = 533,724.26

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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.