Home / 1,240,365.20-1,860,547.80-341,805.20

Finding the Fourth Proportional to 1,240,365.20, 1,860,547.80 and 341,805.20

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Solution

The fourth proportional to 1,240,365.20, 1,860,547.80 and 341,805.20 is: 512,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,365.20 : 1,860,547.80 = 341,805.20 : x
  2. Step 2: Convert to fraction form
    1,240,365.20/1,860,547.80 = 341,805.20/x
  3. Step 3: Cross multiply
    1,240,365.20x = 1,860,547.80 × 341,805.20
  4. Step 4: Simplify right side
    1,240,365.20x = 635,944,912,888.56
  5. Step 5: Solve for x
    x = 635,944,912,888.56/1,240,365.20
  6. Step 6: Final answer
    x = 512,707.80

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1.5x scale

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.