Home / 992,740.55-1,489,740.66-424,125.93

Finding the Fourth Proportional to 992,740.55, 1,489,740.66 and 424,125.93

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Solution

The fourth proportional to 992,740.55, 1,489,740.66 and 424,125.93 is: 636,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,740.55 : 1,489,740.66 = 424,125.93 : x
  2. Step 2: Convert to fraction form
    992,740.55/1,489,740.66 = 424,125.93/x
  3. Step 3: Cross multiply
    992,740.55x = 1,489,740.66 × 424,125.93
  4. Step 4: Simplify right side
    992,740.55x = 631,837,648,467.84
  5. Step 5: Solve for x
    x = 631,837,648,467.84/992,740.55
  6. Step 6: Final answer
    x = 636,457.98

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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.