Home / 1,008,904.18-1,513,443.12-289,248.74

Finding the Fourth Proportional to 1,008,904.18, 1,513,443.12 and 289,248.74

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Solution

The fourth proportional to 1,008,904.18, 1,513,443.12 and 289,248.74 is: 433,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,904.18 : 1,513,443.12 = 289,248.74 : x
  2. Step 2: Convert to fraction form
    1,008,904.18/1,513,443.12 = 289,248.74/x
  3. Step 3: Cross multiply
    1,008,904.18x = 1,513,443.12 × 289,248.74
  4. Step 4: Simplify right side
    1,008,904.18x = 437,761,515,521.67
  5. Step 5: Solve for x
    x = 437,761,515,521.67/1,008,904.18
  6. Step 6: Final answer
    x = 433,898.01

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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.