Home / 1,288,437.02-1,778,064.44-707,713.82

Finding the Fourth Proportional to 1,288,437.02, 1,778,064.44 and 707,713.82

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Solution

The fourth proportional to 1,288,437.02, 1,778,064.44 and 707,713.82 is: 976,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,437.02 : 1,778,064.44 = 707,713.82 : x
  2. Step 2: Convert to fraction form
    1,288,437.02/1,778,064.44 = 707,713.82/x
  3. Step 3: Cross multiply
    1,288,437.02x = 1,778,064.44 × 707,713.82
  4. Step 4: Simplify right side
    1,288,437.02x = 1,258,360,777,038.56
  5. Step 5: Solve for x
    x = 1,258,360,777,038.56/1,288,437.02
  6. Step 6: Final answer
    x = 976,656.80

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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.