Home / 1,037,892.80-1,556,547.60-328,138.40

Finding the Fourth Proportional to 1,037,892.80, 1,556,547.60 and 328,138.40

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Solution

The fourth proportional to 1,037,892.80, 1,556,547.60 and 328,138.40 is: 492,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,892.80 : 1,556,547.60 = 328,138.40 : x
  2. Step 2: Convert to fraction form
    1,037,892.80/1,556,547.60 = 328,138.40/x
  3. Step 3: Cross multiply
    1,037,892.80x = 1,556,547.60 × 328,138.40
  4. Step 4: Simplify right side
    1,037,892.80x = 510,763,038,987.84
  5. Step 5: Solve for x
    x = 510,763,038,987.84/1,037,892.80
  6. Step 6: Final answer
    x = 492,115.41

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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.