Home / 1,021,498.88-1,409,639.55-556,342.22

Finding the Fourth Proportional to 1,021,498.88, 1,409,639.55 and 556,342.22

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Solution

The fourth proportional to 1,021,498.88, 1,409,639.55 and 556,342.22 is: 767,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,498.88 : 1,409,639.55 = 556,342.22 : x
  2. Step 2: Convert to fraction form
    1,021,498.88/1,409,639.55 = 556,342.22/x
  3. Step 3: Cross multiply
    1,021,498.88x = 1,409,639.55 × 556,342.22
  4. Step 4: Simplify right side
    1,021,498.88x = 784,241,989,598.60
  5. Step 5: Solve for x
    x = 784,241,989,598.60/1,021,498.88
  6. Step 6: Final answer
    x = 767,736.52

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1.5x scale

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.