Home / 989,341.99-1,365,643.61-601,980.55

Finding the Fourth Proportional to 989,341.99, 1,365,643.61 and 601,980.55

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Solution

The fourth proportional to 989,341.99, 1,365,643.61 and 601,980.55 is: 830,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,341.99 : 1,365,643.61 = 601,980.55 : x
  2. Step 2: Convert to fraction form
    989,341.99/1,365,643.61 = 601,980.55/x
  3. Step 3: Cross multiply
    989,341.99x = 1,365,643.61 × 601,980.55
  4. Step 4: Simplify right side
    989,341.99x = 822,090,891,451.79
  5. Step 5: Solve for x
    x = 822,090,891,451.79/989,341.99
  6. Step 6: Final answer
    x = 830,947.13

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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.