Home / 1,376,506.86-1,900,270.17-860,547.39

Finding the Fourth Proportional to 1,376,506.86, 1,900,270.17 and 860,547.39

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Solution

The fourth proportional to 1,376,506.86, 1,900,270.17 and 860,547.39 is: 1,187,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,506.86 : 1,900,270.17 = 860,547.39 : x
  2. Step 2: Convert to fraction form
    1,376,506.86/1,900,270.17 = 860,547.39/x
  3. Step 3: Cross multiply
    1,376,506.86x = 1,900,270.17 × 860,547.39
  4. Step 4: Simplify right side
    1,376,506.86x = 1,635,272,535,088.36
  5. Step 5: Solve for x
    x = 1,635,272,535,088.36/1,376,506.86
  6. Step 6: Final answer
    x = 1,187,987.20

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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.