Home / 1,689,365.16-2,329,455.78-1,076,547.20

Finding the Fourth Proportional to 1,689,365.16, 2,329,455.78 and 1,076,547.20

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Solution

The fourth proportional to 1,689,365.16, 2,329,455.78 and 1,076,547.20 is: 1,484,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,365.16 : 2,329,455.78 = 1,076,547.20 : x
  2. Step 2: Convert to fraction form
    1,689,365.16/2,329,455.78 = 1,076,547.20/x
  3. Step 3: Cross multiply
    1,689,365.16x = 2,329,455.78 × 1,076,547.20
  4. Step 4: Simplify right side
    1,689,365.16x = 2,507,769,097,482.82
  5. Step 5: Solve for x
    x = 2,507,769,097,482.82/1,689,365.16
  6. Step 6: Final answer
    x = 1,484,444.66

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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.