Home / 1,547,558.20-2,321,337.30-838,970.20

Finding the Fourth Proportional to 1,547,558.20, 2,321,337.30 and 838,970.20

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Solution

The fourth proportional to 1,547,558.20, 2,321,337.30 and 838,970.20 is: 1,258,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,558.20 : 2,321,337.30 = 838,970.20 : x
  2. Step 2: Convert to fraction form
    1,547,558.20/2,321,337.30 = 838,970.20/x
  3. Step 3: Cross multiply
    1,547,558.20x = 2,321,337.30 × 838,970.20
  4. Step 4: Simplify right side
    1,547,558.20x = 1,947,532,818,848.46
  5. Step 5: Solve for x
    x = 1,947,532,818,848.46/1,547,558.20
  6. Step 6: Final answer
    x = 1,258,455.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.