Home / 1,037,985.30-1,556,686.35-328,230.90

Finding the Fourth Proportional to 1,037,985.30, 1,556,686.35 and 328,230.90

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Solution

The fourth proportional to 1,037,985.30, 1,556,686.35 and 328,230.90 is: 492,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,985.30 : 1,556,686.35 = 328,230.90 : x
  2. Step 2: Convert to fraction form
    1,037,985.30/1,556,686.35 = 328,230.90/x
  3. Step 3: Cross multiply
    1,037,985.30x = 1,556,686.35 × 328,230.90
  4. Step 4: Simplify right side
    1,037,985.30x = 510,952,561,678.22
  5. Step 5: Solve for x
    x = 510,952,561,678.22/1,037,985.30
  6. Step 6: Final answer
    x = 492,254.14

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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.