Home / 961,054.34-1,326,531.74-634,605.71

Finding the Fourth Proportional to 961,054.34, 1,326,531.74 and 634,605.71

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Solution

The fourth proportional to 961,054.34, 1,326,531.74 and 634,605.71 is: 875,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,054.34 : 1,326,531.74 = 634,605.71 : x
  2. Step 2: Convert to fraction form
    961,054.34/1,326,531.74 = 634,605.71/x
  3. Step 3: Cross multiply
    961,054.34x = 1,326,531.74 × 634,605.71
  4. Step 4: Simplify right side
    961,054.34x = 841,824,606,894.55
  5. Step 5: Solve for x
    x = 841,824,606,894.55/961,054.34
  6. Step 6: Final answer
    x = 875,938.62

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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.