Home / 1,487,875.84-2,053,645.30-915,428.60

Finding the Fourth Proportional to 1,487,875.84, 2,053,645.30 and 915,428.60

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Solution

The fourth proportional to 1,487,875.84, 2,053,645.30 and 915,428.60 is: 1,263,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,875.84 : 2,053,645.30 = 915,428.60 : x
  2. Step 2: Convert to fraction form
    1,487,875.84/2,053,645.30 = 915,428.60/x
  3. Step 3: Cross multiply
    1,487,875.84x = 2,053,645.30 × 915,428.60
  4. Step 4: Simplify right side
    1,487,875.84x = 1,879,965,641,875.58
  5. Step 5: Solve for x
    x = 1,879,965,641,875.58/1,487,875.84
  6. Step 6: Final answer
    x = 1,263,523.20

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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.