Home / 1,105,031.90-1,657,560.15-306,320.38

Finding the Fourth Proportional to 1,105,031.90, 1,657,560.15 and 306,320.38

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Solution

The fourth proportional to 1,105,031.90, 1,657,560.15 and 306,320.38 is: 459,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,031.90 : 1,657,560.15 = 306,320.38 : x
  2. Step 2: Convert to fraction form
    1,105,031.90/1,657,560.15 = 306,320.38/x
  3. Step 3: Cross multiply
    1,105,031.90x = 1,657,560.15 × 306,320.38
  4. Step 4: Simplify right side
    1,105,031.90x = 507,744,455,020.86
  5. Step 5: Solve for x
    x = 507,744,455,020.86/1,105,031.90
  6. Step 6: Final answer
    x = 459,483.98

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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.