Home / 1,050,145.48-1,575,142.08-410,328.91

Finding the Fourth Proportional to 1,050,145.48, 1,575,142.08 and 410,328.91

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Solution

The fourth proportional to 1,050,145.48, 1,575,142.08 and 410,328.91 is: 615,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,145.48 : 1,575,142.08 = 410,328.91 : x
  2. Step 2: Convert to fraction form
    1,050,145.48/1,575,142.08 = 410,328.91/x
  3. Step 3: Cross multiply
    1,050,145.48x = 1,575,142.08 × 410,328.91
  4. Step 4: Simplify right side
    1,050,145.48x = 646,326,332,781.53
  5. Step 5: Solve for x
    x = 646,326,332,781.53/1,050,145.48
  6. Step 6: Final answer
    x = 615,463.61

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Double scale
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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.