Home / 1,281,562.02-1,768,484.95-708,564.38

Finding the Fourth Proportional to 1,281,562.02, 1,768,484.95 and 708,564.38

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Solution

The fourth proportional to 1,281,562.02, 1,768,484.95 and 708,564.38 is: 977,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,562.02 : 1,768,484.95 = 708,564.38 : x
  2. Step 2: Convert to fraction form
    1,281,562.02/1,768,484.95 = 708,564.38/x
  3. Step 3: Cross multiply
    1,281,562.02x = 1,768,484.95 × 708,564.38
  4. Step 4: Simplify right side
    1,281,562.02x = 1,253,085,431,522.25
  5. Step 5: Solve for x
    x = 1,253,085,431,522.25/1,281,562.02
  6. Step 6: Final answer
    x = 977,779.78

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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.