Home / 1,037,371.60-1,555,435.32-405,532.72

Finding the Fourth Proportional to 1,037,371.60, 1,555,435.32 and 405,532.72

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Solution

The fourth proportional to 1,037,371.60, 1,555,435.32 and 405,532.72 is: 608,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,371.60 : 1,555,435.32 = 405,532.72 : x
  2. Step 2: Convert to fraction form
    1,037,371.60/1,555,435.32 = 405,532.72/x
  3. Step 3: Cross multiply
    1,037,371.60x = 1,555,435.32 × 405,532.72
  4. Step 4: Simplify right side
    1,037,371.60x = 630,779,916,103.67
  5. Step 5: Solve for x
    x = 630,779,916,103.67/1,037,371.60
  6. Step 6: Final answer
    x = 608,055.89

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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.