Home / 1,500,941.48-2,071,300.55-812,613.74

Finding the Fourth Proportional to 1,500,941.48, 2,071,300.55 and 812,613.74

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Solution

The fourth proportional to 1,500,941.48, 2,071,300.55 and 812,613.74 is: 1,121,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,941.48 : 2,071,300.55 = 812,613.74 : x
  2. Step 2: Convert to fraction form
    1,500,941.48/2,071,300.55 = 812,613.74/x
  3. Step 3: Cross multiply
    1,500,941.48x = 2,071,300.55 × 812,613.74
  4. Step 4: Simplify right side
    1,500,941.48x = 1,683,167,272,179.99
  5. Step 5: Solve for x
    x = 1,683,167,272,179.99/1,500,941.48
  6. Step 6: Final answer
    x = 1,121,407.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.