Home / 1,528,990.16-2,109,880.90-900,233.92

Finding the Fourth Proportional to 1,528,990.16, 2,109,880.90 and 900,233.92

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Solution

The fourth proportional to 1,528,990.16, 2,109,880.90 and 900,233.92 is: 1,242,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,990.16 : 2,109,880.90 = 900,233.92 : x
  2. Step 2: Convert to fraction form
    1,528,990.16/2,109,880.90 = 900,233.92/x
  3. Step 3: Cross multiply
    1,528,990.16x = 2,109,880.90 × 900,233.92
  4. Step 4: Simplify right side
    1,528,990.16x = 1,899,386,353,340.13
  5. Step 5: Solve for x
    x = 1,899,386,353,340.13/1,528,990.16
  6. Step 6: Final answer
    x = 1,242,248.91

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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.