Home / 1,077,637.62-1,616,456.43-478,457.94

Finding the Fourth Proportional to 1,077,637.62, 1,616,456.43 and 478,457.94

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Solution

The fourth proportional to 1,077,637.62, 1,616,456.43 and 478,457.94 is: 717,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,637.62 : 1,616,456.43 = 478,457.94 : x
  2. Step 2: Convert to fraction form
    1,077,637.62/1,616,456.43 = 478,457.94/x
  3. Step 3: Cross multiply
    1,077,637.62x = 1,616,456.43 × 478,457.94
  4. Step 4: Simplify right side
    1,077,637.62x = 773,406,413,597.55
  5. Step 5: Solve for x
    x = 773,406,413,597.55/1,077,637.62
  6. Step 6: Final answer
    x = 717,686.91

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Double scale
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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.