Home / 1,037,955.40-1,556,933.10-290,000.20

Finding the Fourth Proportional to 1,037,955.40, 1,556,933.10 and 290,000.20

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Solution

The fourth proportional to 1,037,955.40, 1,556,933.10 and 290,000.20 is: 435,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,955.40 : 1,556,933.10 = 290,000.20 : x
  2. Step 2: Convert to fraction form
    1,037,955.40/1,556,933.10 = 290,000.20/x
  3. Step 3: Cross multiply
    1,037,955.40x = 1,556,933.10 × 290,000.20
  4. Step 4: Simplify right side
    1,037,955.40x = 451,510,910,386.62
  5. Step 5: Solve for x
    x = 451,510,910,386.62/1,037,955.40
  6. Step 6: Final answer
    x = 435,000.30

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1.5x scale

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.