Home / 1,019,513.61-1,529,171.69-309,547.80

Finding the Fourth Proportional to 1,019,513.61, 1,529,171.69 and 309,547.80

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Solution

The fourth proportional to 1,019,513.61, 1,529,171.69 and 309,547.80 is: 464,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,513.61 : 1,529,171.69 = 309,547.80 : x
  2. Step 2: Convert to fraction form
    1,019,513.61/1,529,171.69 = 309,547.80/x
  3. Step 3: Cross multiply
    1,019,513.61x = 1,529,171.69 × 309,547.80
  4. Step 4: Simplify right side
    1,019,513.61x = 473,351,730,914.04
  5. Step 5: Solve for x
    x = 473,351,730,914.04/1,019,513.61
  6. Step 6: Final answer
    x = 464,291.72

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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.