Home / 1,429,314.48-1,972,068.48-817,341.12

Finding the Fourth Proportional to 1,429,314.48, 1,972,068.48 and 817,341.12

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Solution

The fourth proportional to 1,429,314.48, 1,972,068.48 and 817,341.12 is: 1,127,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,314.48 : 1,972,068.48 = 817,341.12 : x
  2. Step 2: Convert to fraction form
    1,429,314.48/1,972,068.48 = 817,341.12/x
  3. Step 3: Cross multiply
    1,429,314.48x = 1,972,068.48 × 817,341.12
  4. Step 4: Simplify right side
    1,429,314.48x = 1,611,852,660,159.90
  5. Step 5: Solve for x
    x = 1,611,852,660,159.90/1,429,314.48
  6. Step 6: Final answer
    x = 1,127,710.30

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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.