Home / 1,564,378.80-2,345,617.80-616,657.20

Finding the Fourth Proportional to 1,564,378.80, 2,345,617.80 and 616,657.20

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Solution

The fourth proportional to 1,564,378.80, 2,345,617.80 and 616,657.20 is: 924,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,378.80 : 2,345,617.80 = 616,657.20 : x
  2. Step 2: Convert to fraction form
    1,564,378.80/2,345,617.80 = 616,657.20/x
  3. Step 3: Cross multiply
    1,564,378.80x = 2,345,617.80 × 616,657.20
  4. Step 4: Simplify right side
    1,564,378.80x = 1,446,442,104,818.16
  5. Step 5: Solve for x
    x = 1,446,442,104,818.16/1,564,378.80
  6. Step 6: Final answer
    x = 924,611.17

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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.