Home / 1,124,380.61-1,686,595.52-450,779.15

Finding the Fourth Proportional to 1,124,380.61, 1,686,595.52 and 450,779.15

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Solution

The fourth proportional to 1,124,380.61, 1,686,595.52 and 450,779.15 is: 676,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,380.61 : 1,686,595.52 = 450,779.15 : x
  2. Step 2: Convert to fraction form
    1,124,380.61/1,686,595.52 = 450,779.15/x
  3. Step 3: Cross multiply
    1,124,380.61x = 1,686,595.52 × 450,779.15
  4. Step 4: Simplify right side
    1,124,380.61x = 760,282,094,899.41
  5. Step 5: Solve for x
    x = 760,282,094,899.41/1,124,380.61
  6. Step 6: Final answer
    x = 676,178.59

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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.