Home / 1,018,779.90-1,405,848.18-559,884.64

Finding the Fourth Proportional to 1,018,779.90, 1,405,848.18 and 559,884.64

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Solution

The fourth proportional to 1,018,779.90, 1,405,848.18 and 559,884.64 is: 772,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,779.90 : 1,405,848.18 = 559,884.64 : x
  2. Step 2: Convert to fraction form
    1,018,779.90/1,405,848.18 = 559,884.64/x
  3. Step 3: Cross multiply
    1,018,779.90x = 1,405,848.18 × 559,884.64
  4. Step 4: Simplify right side
    1,018,779.90x = 787,112,802,153.96
  5. Step 5: Solve for x
    x = 787,112,802,153.96/1,018,779.90
  6. Step 6: Final answer
    x = 772,603.39

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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.