Home / 1,298,709.74-1,948,064.52-352,055.84

Finding the Fourth Proportional to 1,298,709.74, 1,948,064.52 and 352,055.84

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Solution

The fourth proportional to 1,298,709.74, 1,948,064.52 and 352,055.84 is: 528,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,709.74 : 1,948,064.52 = 352,055.84 : x
  2. Step 2: Convert to fraction form
    1,298,709.74/1,948,064.52 = 352,055.84/x
  3. Step 3: Cross multiply
    1,298,709.74x = 1,948,064.52 × 352,055.84
  4. Step 4: Simplify right side
    1,298,709.74x = 685,827,490,962.80
  5. Step 5: Solve for x
    x = 685,827,490,962.80/1,298,709.74
  6. Step 6: Final answer
    x = 528,083.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.