Home / 1,615,547.84-2,229,148.96-970,732.76

Finding the Fourth Proportional to 1,615,547.84, 2,229,148.96 and 970,732.76

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Solution

The fourth proportional to 1,615,547.84, 2,229,148.96 and 970,732.76 is: 1,339,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,547.84 : 2,229,148.96 = 970,732.76 : x
  2. Step 2: Convert to fraction form
    1,615,547.84/2,229,148.96 = 970,732.76/x
  3. Step 3: Cross multiply
    1,615,547.84x = 2,229,148.96 × 970,732.76
  4. Step 4: Simplify right side
    1,615,547.84x = 2,163,907,908,819.35
  5. Step 5: Solve for x
    x = 2,163,907,908,819.35/1,615,547.84
  6. Step 6: Final answer
    x = 1,339,426.70

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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.