Home / 1,016,312.70-1,402,501.94-557,417.91

Finding the Fourth Proportional to 1,016,312.70, 1,402,501.94 and 557,417.91

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Solution

The fourth proportional to 1,016,312.70, 1,402,501.94 and 557,417.91 is: 769,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,312.70 : 1,402,501.94 = 557,417.91 : x
  2. Step 2: Convert to fraction form
    1,016,312.70/1,402,501.94 = 557,417.91/x
  3. Step 3: Cross multiply
    1,016,312.70x = 1,402,501.94 × 557,417.91
  4. Step 4: Simplify right side
    1,016,312.70x = 781,779,697,378.66
  5. Step 5: Solve for x
    x = 781,779,697,378.66/1,016,312.70
  6. Step 6: Final answer
    x = 769,231.46

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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.