Home / 1,779,130.64-2,455,103.03-1,043,985.93

Finding the Fourth Proportional to 1,779,130.64, 2,455,103.03 and 1,043,985.93

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Solution

The fourth proportional to 1,779,130.64, 2,455,103.03 and 1,043,985.93 is: 1,440,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,130.64 : 2,455,103.03 = 1,043,985.93 : x
  2. Step 2: Convert to fraction form
    1,779,130.64/2,455,103.03 = 1,043,985.93/x
  3. Step 3: Cross multiply
    1,779,130.64x = 2,455,103.03 × 1,043,985.93
  4. Step 4: Simplify right side
    1,779,130.64x = 2,563,093,014,800.44
  5. Step 5: Solve for x
    x = 2,563,093,014,800.44/1,779,130.64
  6. Step 6: Final answer
    x = 1,440,643.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.