Home / 989,011.54-1,365,010.66-581,113.30

Finding the Fourth Proportional to 989,011.54, 1,365,010.66 and 581,113.30

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Solution

The fourth proportional to 989,011.54, 1,365,010.66 and 581,113.30 is: 802,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,011.54 : 1,365,010.66 = 581,113.30 : x
  2. Step 2: Convert to fraction form
    989,011.54/1,365,010.66 = 581,113.30/x
  3. Step 3: Cross multiply
    989,011.54x = 1,365,010.66 × 581,113.30
  4. Step 4: Simplify right side
    989,011.54x = 793,225,849,167.78
  5. Step 5: Solve for x
    x = 793,225,849,167.78/989,011.54
  6. Step 6: Final answer
    x = 802,039.02

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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.