Home / 1,948,279.80-2,688,656.58-1,088,895.72

Finding the Fourth Proportional to 1,948,279.80, 2,688,656.58 and 1,088,895.72

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Solution

The fourth proportional to 1,948,279.80, 2,688,656.58 and 1,088,895.72 is: 1,502,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,279.80 : 2,688,656.58 = 1,088,895.72 : x
  2. Step 2: Convert to fraction form
    1,948,279.80/2,688,656.58 = 1,088,895.72/x
  3. Step 3: Cross multiply
    1,948,279.80x = 2,688,656.58 × 1,088,895.72
  4. Step 4: Simplify right side
    1,948,279.80x = 2,927,666,642,511.84
  5. Step 5: Solve for x
    x = 2,927,666,642,511.84/1,948,279.80
  6. Step 6: Final answer
    x = 1,502,693.12

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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.