Home / 1,559,378.04-2,152,128.42-947,630.76

Finding the Fourth Proportional to 1,559,378.04, 2,152,128.42 and 947,630.76

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Solution

The fourth proportional to 1,559,378.04, 2,152,128.42 and 947,630.76 is: 1,307,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,378.04 : 2,152,128.42 = 947,630.76 : x
  2. Step 2: Convert to fraction form
    1,559,378.04/2,152,128.42 = 947,630.76/x
  3. Step 3: Cross multiply
    1,559,378.04x = 2,152,128.42 × 947,630.76
  4. Step 4: Simplify right side
    1,559,378.04x = 2,039,423,090,262.20
  5. Step 5: Solve for x
    x = 2,039,423,090,262.20/1,559,378.04
  6. Step 6: Final answer
    x = 1,307,843.92

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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.