Home / 1,377,307.01-1,900,659.47-765,459.74

Finding the Fourth Proportional to 1,377,307.01, 1,900,659.47 and 765,459.74

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Solution

The fourth proportional to 1,377,307.01, 1,900,659.47 and 765,459.74 is: 1,056,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,307.01 : 1,900,659.47 = 765,459.74 : x
  2. Step 2: Convert to fraction form
    1,377,307.01/1,900,659.47 = 765,459.74/x
  3. Step 3: Cross multiply
    1,377,307.01x = 1,900,659.47 × 765,459.74
  4. Step 4: Simplify right side
    1,377,307.01x = 1,454,878,290,404.14
  5. Step 5: Solve for x
    x = 1,454,878,290,404.14/1,377,307.01
  6. Step 6: Final answer
    x = 1,056,320.98

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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.