Home / 1,151,139.04-1,725,656.64-402,776.80

Finding the Fourth Proportional to 1,151,139.04, 1,725,656.64 and 402,776.80

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Solution

The fourth proportional to 1,151,139.04, 1,725,656.64 and 402,776.80 is: 603,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,139.04 : 1,725,656.64 = 402,776.80 : x
  2. Step 2: Convert to fraction form
    1,151,139.04/1,725,656.64 = 402,776.80/x
  3. Step 3: Cross multiply
    1,151,139.04x = 1,725,656.64 × 402,776.80
  4. Step 4: Simplify right side
    1,151,139.04x = 695,054,459,357.95
  5. Step 5: Solve for x
    x = 695,054,459,357.95/1,151,139.04
  6. Step 6: Final answer
    x = 603,797.14

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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.