Home / 1,480,746.61-2,221,255.47-415,781.50

Finding the Fourth Proportional to 1,480,746.61, 2,221,255.47 and 415,781.50

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Solution

The fourth proportional to 1,480,746.61, 2,221,255.47 and 415,781.50 is: 623,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,746.61 : 2,221,255.47 = 415,781.50 : x
  2. Step 2: Convert to fraction form
    1,480,746.61/2,221,255.47 = 415,781.50/x
  3. Step 3: Cross multiply
    1,480,746.61x = 2,221,255.47 × 415,781.50
  4. Step 4: Simplify right side
    1,480,746.61x = 923,556,931,199.81
  5. Step 5: Solve for x
    x = 923,556,931,199.81/1,480,746.61
  6. Step 6: Final answer
    x = 623,710.31

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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.