Home / 1,029,705.60-1,548,705.60-921,878.40

Finding the Fourth Proportional to 1,029,705.60, 1,548,705.60 and 921,878.40

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Solution

The fourth proportional to 1,029,705.60, 1,548,705.60 and 921,878.40 is: 1,386,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,705.60 : 1,548,705.60 = 921,878.40 : x
  2. Step 2: Convert to fraction form
    1,029,705.60/1,548,705.60 = 921,878.40/x
  3. Step 3: Cross multiply
    1,029,705.60x = 1,548,705.60 × 921,878.40
  4. Step 4: Simplify right side
    1,029,705.60x = 1,427,718,240,599.04
  5. Step 5: Solve for x
    x = 1,427,718,240,599.04/1,029,705.60
  6. Step 6: Final answer
    x = 1,386,530.52

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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.