Home / 1,854,045.90-2,779,986.15-788,539.50

Finding the Fourth Proportional to 1,854,045.90, 2,779,986.15 and 788,539.50

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Solution

The fourth proportional to 1,854,045.90, 2,779,986.15 and 788,539.50 is: 1,182,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,045.90 : 2,779,986.15 = 788,539.50 : x
  2. Step 2: Convert to fraction form
    1,854,045.90/2,779,986.15 = 788,539.50/x
  3. Step 3: Cross multiply
    1,854,045.90x = 2,779,986.15 × 788,539.50
  4. Step 4: Simplify right side
    1,854,045.90x = 2,192,128,888,727.92
  5. Step 5: Solve for x
    x = 2,192,128,888,727.92/1,854,045.90
  6. Step 6: Final answer
    x = 1,182,348.77

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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.