Home / 1,539,459.31-2,124,448.51-860,395.81

Finding the Fourth Proportional to 1,539,459.31, 2,124,448.51 and 860,395.81

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Solution

The fourth proportional to 1,539,459.31, 2,124,448.51 and 860,395.81 is: 1,187,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,459.31 : 2,124,448.51 = 860,395.81 : x
  2. Step 2: Convert to fraction form
    1,539,459.31/2,124,448.51 = 860,395.81/x
  3. Step 3: Cross multiply
    1,539,459.31x = 2,124,448.51 × 860,395.81
  4. Step 4: Simplify right side
    1,539,459.31x = 1,827,866,596,564.74
  5. Step 5: Solve for x
    x = 1,827,866,596,564.74/1,539,459.31
  6. Step 6: Final answer
    x = 1,187,343.23

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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.