Home / 1,008,521.36-1,512,961.86-334,643.12

Finding the Fourth Proportional to 1,008,521.36, 1,512,961.86 and 334,643.12

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Solution

The fourth proportional to 1,008,521.36, 1,512,961.86 and 334,643.12 is: 502,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,521.36 : 1,512,961.86 = 334,643.12 : x
  2. Step 2: Convert to fraction form
    1,008,521.36/1,512,961.86 = 334,643.12/x
  3. Step 3: Cross multiply
    1,008,521.36x = 1,512,961.86 × 334,643.12
  4. Step 4: Simplify right side
    1,008,521.36x = 506,302,277,271.40
  5. Step 5: Solve for x
    x = 506,302,277,271.40/1,008,521.36
  6. Step 6: Final answer
    x = 502,024.35

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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.