Home / 947,445.80-1,421,946.30-916,341.80

Finding the Fourth Proportional to 947,445.80, 1,421,946.30 and 916,341.80

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Solution

The fourth proportional to 947,445.80, 1,421,946.30 and 916,341.80 is: 1,375,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,445.80 : 1,421,946.30 = 916,341.80 : x
  2. Step 2: Convert to fraction form
    947,445.80/1,421,946.30 = 916,341.80/x
  3. Step 3: Cross multiply
    947,445.80x = 1,421,946.30 × 916,341.80
  4. Step 4: Simplify right side
    947,445.80x = 1,302,988,832,045.34
  5. Step 5: Solve for x
    x = 1,302,988,832,045.34/947,445.80
  6. Step 6: Final answer
    x = 1,375,264.77

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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.