Home / 1,152,376.14-1,590,088.89-643,077.30

Finding the Fourth Proportional to 1,152,376.14, 1,590,088.89 and 643,077.30

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Solution

The fourth proportional to 1,152,376.14, 1,590,088.89 and 643,077.30 is: 887,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,376.14 : 1,590,088.89 = 643,077.30 : x
  2. Step 2: Convert to fraction form
    1,152,376.14/1,590,088.89 = 643,077.30/x
  3. Step 3: Cross multiply
    1,152,376.14x = 1,590,088.89 × 643,077.30
  4. Step 4: Simplify right side
    1,152,376.14x = 1,022,550,070,141.20
  5. Step 5: Solve for x
    x = 1,022,550,070,141.20/1,152,376.14
  6. Step 6: Final answer
    x = 887,340.54

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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.