Home / 1,010,760.40-1,517,890.20-538,368.40

Finding the Fourth Proportional to 1,010,760.40, 1,517,890.20 and 538,368.40

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Solution

The fourth proportional to 1,010,760.40, 1,517,890.20 and 538,368.40 is: 808,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,760.40 : 1,517,890.20 = 538,368.40 : x
  2. Step 2: Convert to fraction form
    1,010,760.40/1,517,890.20 = 538,368.40/x
  3. Step 3: Cross multiply
    1,010,760.40x = 1,517,890.20 × 538,368.40
  4. Step 4: Simplify right side
    1,010,760.40x = 817,184,118,349.68
  5. Step 5: Solve for x
    x = 817,184,118,349.68/1,010,760.40
  6. Step 6: Final answer
    x = 808,484.50

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1.5x scale

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.