Home / 1,037,978.61-1,557,014.80-318,267.79

Finding the Fourth Proportional to 1,037,978.61, 1,557,014.80 and 318,267.79

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Solution

The fourth proportional to 1,037,978.61, 1,557,014.80 and 318,267.79 is: 477,416.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,978.61 : 1,557,014.80 = 318,267.79 : x
  2. Step 2: Convert to fraction form
    1,037,978.61/1,557,014.80 = 318,267.79/x
  3. Step 3: Cross multiply
    1,037,978.61x = 1,557,014.80 × 318,267.79
  4. Step 4: Simplify right side
    1,037,978.61x = 495,547,659,393.29
  5. Step 5: Solve for x
    x = 495,547,659,393.29/1,037,978.61
  6. Step 6: Final answer
    x = 477,416.06

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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.