Home / 1,105,125.64-1,657,688.52-306,407.20

Finding the Fourth Proportional to 1,105,125.64, 1,657,688.52 and 306,407.20

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Solution

The fourth proportional to 1,105,125.64, 1,657,688.52 and 306,407.20 is: 459,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,125.64 : 1,657,688.52 = 306,407.20 : x
  2. Step 2: Convert to fraction form
    1,105,125.64/1,657,688.52 = 306,407.20/x
  3. Step 3: Cross multiply
    1,105,125.64x = 1,657,688.52 × 306,407.20
  4. Step 4: Simplify right side
    1,105,125.64x = 507,927,697,885.34
  5. Step 5: Solve for x
    x = 507,927,697,885.34/1,105,125.64
  6. Step 6: Final answer
    x = 459,610.82

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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.